To find all the divisors of the number 52,800:
- 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 52,800:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
52,800 = 26 × 3 × 52 × 11
52,800 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) = 7 × 2 × 3 × 2 = 84
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 52,800
- 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
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
4 =
16
composite factor = 2
2 × 5 =
20
composite factor = 2 × 11 =
22
composite factor = 2
3 × 3 =
24
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 2
5 =
32
composite factor = 3 × 11 =
33
composite factor = 2
3 × 5 =
40
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
2 × 3 × 5 =
60
composite factor = 2
6 =
64
composite factor = 2 × 3 × 11 =
66
composite factor = 3 × 5
2 =
75
composite factor = 2
4 × 5 =
80
composite factor = 2
3 × 11 =
88
composite factor = 2
5 × 3 =
96
composite factor = 2
2 × 5
2 =
100
composite factor = 2 × 5 × 11 =
110
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2
5 × 5 =
160
composite factor = 3 × 5 × 11 =
165
composite factor = 2
4 × 11 =
176
composite factor = 2
6 × 3 =
192
composite factor = 2
3 × 5
2 =
200
composite factor = 2
2 × 5 × 11 =
220
This list continues below...
... This list continues from above
composite factor = 2
4 × 3 × 5 =
240
composite factor = 2
3 × 3 × 11 =
264
composite factor = 5
2 × 11 =
275
composite factor = 2
2 × 3 × 5
2 =
300
composite factor = 2
6 × 5 =
320
composite factor = 2 × 3 × 5 × 11 =
330
composite factor = 2
5 × 11 =
352
composite factor = 2
4 × 5
2 =
400
composite factor = 2
3 × 5 × 11 =
440
composite factor = 2
5 × 3 × 5 =
480
composite factor = 2
4 × 3 × 11 =
528
composite factor = 2 × 5
2 × 11 =
550
composite factor = 2
3 × 3 × 5
2 =
600
composite factor = 2
2 × 3 × 5 × 11 =
660
composite factor = 2
6 × 11 =
704
composite factor = 2
5 × 5
2 =
800
composite factor = 3 × 5
2 × 11 =
825
composite factor = 2
4 × 5 × 11 =
880
composite factor = 2
6 × 3 × 5 =
960
composite factor = 2
5 × 3 × 11 =
1,056
composite factor = 2
2 × 5
2 × 11 =
1,100
composite factor = 2
4 × 3 × 5
2 =
1,200
composite factor = 2
3 × 3 × 5 × 11 =
1,320
composite factor = 2
6 × 5
2 =
1,600
composite factor = 2 × 3 × 5
2 × 11 =
1,650
composite factor = 2
5 × 5 × 11 =
1,760
composite factor = 2
6 × 3 × 11 =
2,112
composite factor = 2
3 × 5
2 × 11 =
2,200
composite factor = 2
5 × 3 × 5
2 =
2,400
composite factor = 2
4 × 3 × 5 × 11 =
2,640
composite factor = 2
2 × 3 × 5
2 × 11 =
3,300
composite factor = 2
6 × 5 × 11 =
3,520
composite factor = 2
4 × 5
2 × 11 =
4,400
composite factor = 2
6 × 3 × 5
2 =
4,800
composite factor = 2
5 × 3 × 5 × 11 =
5,280
composite factor = 2
3 × 3 × 5
2 × 11 =
6,600
composite factor = 2
5 × 5
2 × 11 =
8,800
composite factor = 2
6 × 3 × 5 × 11 =
10,560
composite factor = 2
4 × 3 × 5
2 × 11 =
13,200
composite factor = 2
6 × 5
2 × 11 =
17,600
composite factor = 2
5 × 3 × 5
2 × 11 =
26,400
composite factor = 2
6 × 3 × 5
2 × 11 =
52,800
84 factors (divisors)
What times what is 52,800?
What number multiplied by what number equals 52,800?
All the combinations of any two natural numbers whose product equals 52,800.
1 × 52,800 = 52,800
2 × 26,400 = 52,800
3 × 17,600 = 52,800
4 × 13,200 = 52,800
5 × 10,560 = 52,800
6 × 8,800 = 52,800
8 × 6,600 = 52,800
10 × 5,280 = 52,800
11 × 4,800 = 52,800
12 × 4,400 = 52,800
15 × 3,520 = 52,800
16 × 3,300 = 52,800
20 × 2,640 = 52,800
22 × 2,400 = 52,800
24 × 2,200 = 52,800
25 × 2,112 = 52,800
30 × 1,760 = 52,800
32 × 1,650 = 52,800
33 × 1,600 = 52,800
40 × 1,320 = 52,800
44 × 1,200 = 52,800
48 × 1,100 = 52,800
50 × 1,056 = 52,800
55 × 960 = 52,800
60 × 880 = 52,800
64 × 825 = 52,800
66 × 800 = 52,800
75 × 704 = 52,800
80 × 660 = 52,800
88 × 600 = 52,800
96 × 550 = 52,800
100 × 528 = 52,800
110 × 480 = 52,800
120 × 440 = 52,800
132 × 400 = 52,800
150 × 352 = 52,800
160 × 330 = 52,800
165 × 320 = 52,800
176 × 300 = 52,800
192 × 275 = 52,800
200 × 264 = 52,800
220 × 240 = 52,800
42 unique multiplications The final answer:
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