To find all the divisors of the number 369,600:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 369,600:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
369,600 = 26 × 3 × 52 × 7 × 11
369,600 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (6 + 1) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 7 × 2 × 3 × 2 × 2 = 168
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 369,600
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 5 =
15
composite factor = 2
4 =
16
composite factor = 2
2 × 5 =
20
composite factor = 3 × 7 =
21
composite factor = 2 × 11 =
22
composite factor = 2
3 × 3 =
24
composite factor = 5
2 =
25
composite factor = 2
2 × 7 =
28
composite factor = 2 × 3 × 5 =
30
composite factor = 2
5 =
32
composite factor = 3 × 11 =
33
composite factor = 5 × 7 =
35
composite factor = 2
3 × 5 =
40
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 11 =
44
composite factor = 2
4 × 3 =
48
composite factor = 2 × 5
2 =
50
composite factor = 5 × 11 =
55
composite factor = 2
3 × 7 =
56
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
6 =
64
composite factor = 2 × 3 × 11 =
66
composite factor = 2 × 5 × 7 =
70
composite factor = 3 × 5
2 =
75
composite factor = 7 × 11 =
77
composite factor = 2
4 × 5 =
80
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
3 × 11 =
88
composite factor = 2
5 × 3 =
96
composite factor = 2
2 × 5
2 =
100
composite factor = 3 × 5 × 7 =
105
composite factor = 2 × 5 × 11 =
110
composite factor = 2
4 × 7 =
112
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2
2 × 5 × 7 =
140
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2 × 7 × 11 =
154
composite factor = 2
5 × 5 =
160
composite factor = 3 × 5 × 11 =
165
composite factor = 2
3 × 3 × 7 =
168
composite factor = 5
2 × 7 =
175
composite factor = 2
4 × 11 =
176
composite factor = 2
6 × 3 =
192
composite factor = 2
3 × 5
2 =
200
composite factor = 2 × 3 × 5 × 7 =
210
composite factor = 2
2 × 5 × 11 =
220
composite factor = 2
5 × 7 =
224
composite factor = 3 × 7 × 11 =
231
composite factor = 2
4 × 3 × 5 =
240
composite factor = 2
3 × 3 × 11 =
264
composite factor = 5
2 × 11 =
275
composite factor = 2
3 × 5 × 7 =
280
composite factor = 2
2 × 3 × 5
2 =
300
composite factor = 2
2 × 7 × 11 =
308
composite factor = 2
6 × 5 =
320
composite factor = 2 × 3 × 5 × 11 =
330
composite factor = 2
4 × 3 × 7 =
336
composite factor = 2 × 5
2 × 7 =
350
composite factor = 2
5 × 11 =
352
composite factor = 5 × 7 × 11 =
385
composite factor = 2
4 × 5
2 =
400
composite factor = 2
2 × 3 × 5 × 7 =
420
composite factor = 2
3 × 5 × 11 =
440
composite factor = 2
6 × 7 =
448
composite factor = 2 × 3 × 7 × 11 =
462
composite factor = 2
5 × 3 × 5 =
480
composite factor = 3 × 5
2 × 7 =
525
composite factor = 2
4 × 3 × 11 =
528
composite factor = 2 × 5
2 × 11 =
550
composite factor = 2
4 × 5 × 7 =
560
composite factor = 2
3 × 3 × 5
2 =
600
This list continues below...
... This list continues from above
composite factor = 2
3 × 7 × 11 =
616
composite factor = 2
2 × 3 × 5 × 11 =
660
composite factor = 2
5 × 3 × 7 =
672
composite factor = 2
2 × 5
2 × 7 =
700
composite factor = 2
6 × 11 =
704
composite factor = 2 × 5 × 7 × 11 =
770
composite factor = 2
5 × 5
2 =
800
composite factor = 3 × 5
2 × 11 =
825
composite factor = 2
3 × 3 × 5 × 7 =
840
composite factor = 2
4 × 5 × 11 =
880
composite factor = 2
2 × 3 × 7 × 11 =
924
composite factor = 2
6 × 3 × 5 =
960
composite factor = 2 × 3 × 5
2 × 7 =
1,050
composite factor = 2
5 × 3 × 11 =
1,056
composite factor = 2
2 × 5
2 × 11 =
1,100
composite factor = 2
5 × 5 × 7 =
1,120
composite factor = 3 × 5 × 7 × 11 =
1,155
composite factor = 2
4 × 3 × 5
2 =
1,200
composite factor = 2
4 × 7 × 11 =
1,232
composite factor = 2
3 × 3 × 5 × 11 =
1,320
composite factor = 2
6 × 3 × 7 =
1,344
composite factor = 2
3 × 5
2 × 7 =
1,400
composite factor = 2
2 × 5 × 7 × 11 =
1,540
composite factor = 2
6 × 5
2 =
1,600
composite factor = 2 × 3 × 5
2 × 11 =
1,650
composite factor = 2
4 × 3 × 5 × 7 =
1,680
composite factor = 2
5 × 5 × 11 =
1,760
composite factor = 2
3 × 3 × 7 × 11 =
1,848
composite factor = 5
2 × 7 × 11 =
1,925
composite factor = 2
2 × 3 × 5
2 × 7 =
2,100
composite factor = 2
6 × 3 × 11 =
2,112
composite factor = 2
3 × 5
2 × 11 =
2,200
composite factor = 2
6 × 5 × 7 =
2,240
composite factor = 2 × 3 × 5 × 7 × 11 =
2,310
composite factor = 2
5 × 3 × 5
2 =
2,400
composite factor = 2
5 × 7 × 11 =
2,464
composite factor = 2
4 × 3 × 5 × 11 =
2,640
composite factor = 2
4 × 5
2 × 7 =
2,800
composite factor = 2
3 × 5 × 7 × 11 =
3,080
composite factor = 2
2 × 3 × 5
2 × 11 =
3,300
composite factor = 2
5 × 3 × 5 × 7 =
3,360
composite factor = 2
6 × 5 × 11 =
3,520
composite factor = 2
4 × 3 × 7 × 11 =
3,696
composite factor = 2 × 5
2 × 7 × 11 =
3,850
composite factor = 2
3 × 3 × 5
2 × 7 =
4,200
composite factor = 2
4 × 5
2 × 11 =
4,400
composite factor = 2
2 × 3 × 5 × 7 × 11 =
4,620
composite factor = 2
6 × 3 × 5
2 =
4,800
composite factor = 2
6 × 7 × 11 =
4,928
composite factor = 2
5 × 3 × 5 × 11 =
5,280
composite factor = 2
5 × 5
2 × 7 =
5,600
composite factor = 3 × 5
2 × 7 × 11 =
5,775
composite factor = 2
4 × 5 × 7 × 11 =
6,160
composite factor = 2
3 × 3 × 5
2 × 11 =
6,600
composite factor = 2
6 × 3 × 5 × 7 =
6,720
composite factor = 2
5 × 3 × 7 × 11 =
7,392
composite factor = 2
2 × 5
2 × 7 × 11 =
7,700
composite factor = 2
4 × 3 × 5
2 × 7 =
8,400
composite factor = 2
5 × 5
2 × 11 =
8,800
composite factor = 2
3 × 3 × 5 × 7 × 11 =
9,240
composite factor = 2
6 × 3 × 5 × 11 =
10,560
composite factor = 2
6 × 5
2 × 7 =
11,200
composite factor = 2 × 3 × 5
2 × 7 × 11 =
11,550
composite factor = 2
5 × 5 × 7 × 11 =
12,320
composite factor = 2
4 × 3 × 5
2 × 11 =
13,200
composite factor = 2
6 × 3 × 7 × 11 =
14,784
composite factor = 2
3 × 5
2 × 7 × 11 =
15,400
composite factor = 2
5 × 3 × 5
2 × 7 =
16,800
composite factor = 2
6 × 5
2 × 11 =
17,600
composite factor = 2
4 × 3 × 5 × 7 × 11 =
18,480
composite factor = 2
2 × 3 × 5
2 × 7 × 11 =
23,100
composite factor = 2
6 × 5 × 7 × 11 =
24,640
composite factor = 2
5 × 3 × 5
2 × 11 =
26,400
composite factor = 2
4 × 5
2 × 7 × 11 =
30,800
composite factor = 2
6 × 3 × 5
2 × 7 =
33,600
composite factor = 2
5 × 3 × 5 × 7 × 11 =
36,960
composite factor = 2
3 × 3 × 5
2 × 7 × 11 =
46,200
composite factor = 2
6 × 3 × 5
2 × 11 =
52,800
composite factor = 2
5 × 5
2 × 7 × 11 =
61,600
composite factor = 2
6 × 3 × 5 × 7 × 11 =
73,920
composite factor = 2
4 × 3 × 5
2 × 7 × 11 =
92,400
composite factor = 2
6 × 5
2 × 7 × 11 =
123,200
composite factor = 2
5 × 3 × 5
2 × 7 × 11 =
184,800
composite factor = 2
6 × 3 × 5
2 × 7 × 11 =
369,600
168 factors (divisors)
What times what is 369,600?
What number multiplied by what number equals 369,600?
All the combinations of any two natural numbers whose product equals 369,600.
1 × 369,600 = 369,600
2 × 184,800 = 369,600
3 × 123,200 = 369,600
4 × 92,400 = 369,600
5 × 73,920 = 369,600
6 × 61,600 = 369,600
7 × 52,800 = 369,600
8 × 46,200 = 369,600
10 × 36,960 = 369,600
11 × 33,600 = 369,600
12 × 30,800 = 369,600
14 × 26,400 = 369,600
15 × 24,640 = 369,600
16 × 23,100 = 369,600
20 × 18,480 = 369,600
21 × 17,600 = 369,600
22 × 16,800 = 369,600
24 × 15,400 = 369,600
25 × 14,784 = 369,600
28 × 13,200 = 369,600
30 × 12,320 = 369,600
32 × 11,550 = 369,600
33 × 11,200 = 369,600
35 × 10,560 = 369,600
40 × 9,240 = 369,600
42 × 8,800 = 369,600
44 × 8,400 = 369,600
48 × 7,700 = 369,600
50 × 7,392 = 369,600
55 × 6,720 = 369,600
56 × 6,600 = 369,600
60 × 6,160 = 369,600
64 × 5,775 = 369,600
66 × 5,600 = 369,600
70 × 5,280 = 369,600
75 × 4,928 = 369,600
77 × 4,800 = 369,600
80 × 4,620 = 369,600
84 × 4,400 = 369,600
88 × 4,200 = 369,600
96 × 3,850 = 369,600
100 × 3,696 = 369,600
105 × 3,520 = 369,600
110 × 3,360 = 369,600
112 × 3,300 = 369,600
120 × 3,080 = 369,600
132 × 2,800 = 369,600
140 × 2,640 = 369,600
150 × 2,464 = 369,600
154 × 2,400 = 369,600
160 × 2,310 = 369,600
165 × 2,240 = 369,600
168 × 2,200 = 369,600
175 × 2,112 = 369,600
176 × 2,100 = 369,600
192 × 1,925 = 369,600
200 × 1,848 = 369,600
210 × 1,760 = 369,600
220 × 1,680 = 369,600
224 × 1,650 = 369,600
231 × 1,600 = 369,600
240 × 1,540 = 369,600
264 × 1,400 = 369,600
275 × 1,344 = 369,600
280 × 1,320 = 369,600
300 × 1,232 = 369,600
308 × 1,200 = 369,600
320 × 1,155 = 369,600
330 × 1,120 = 369,600
336 × 1,100 = 369,600
350 × 1,056 = 369,600
352 × 1,050 = 369,600
385 × 960 = 369,600
400 × 924 = 369,600
420 × 880 = 369,600
440 × 840 = 369,600
448 × 825 = 369,600
462 × 800 = 369,600
480 × 770 = 369,600
525 × 704 = 369,600
528 × 700 = 369,600
550 × 672 = 369,600
560 × 660 = 369,600
600 × 616 = 369,600
84 unique multiplications The final answer:
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