To find all the divisors of the number 434,520:
- 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 434,520:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
434,520 = 23 × 32 × 5 × 17 × 71
434,520 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 = (3 + 1) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 × 2 = 96
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 434,520
- 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 = 3
2 =
9
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
prime factor =
17
composite factor = 2 × 3
2 =
18
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 2
3 × 5 =
40
composite factor = 3
2 × 5 =
45
composite factor = 3 × 17 =
51
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
2 × 17 =
68
prime factor =
71
composite factor = 2
3 × 3
2 =
72
composite factor = 5 × 17 =
85
composite factor = 2 × 3
2 × 5 =
90
composite factor = 2 × 3 × 17 =
102
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
3 × 17 =
136
composite factor = 2 × 71 =
142
composite factor = 3
2 × 17 =
153
composite factor = 2 × 5 × 17 =
170
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 2
2 × 3 × 17 =
204
composite factor = 3 × 71 =
213
composite factor = 3 × 5 × 17 =
255
composite factor = 2
2 × 71 =
284
composite factor = 2 × 3
2 × 17 =
306
composite factor = 2
2 × 5 × 17 =
340
composite factor = 5 × 71 =
355
composite factor = 2
3 × 3
2 × 5 =
360
composite factor = 2
3 × 3 × 17 =
408
composite factor = 2 × 3 × 71 =
426
composite factor = 2 × 3 × 5 × 17 =
510
composite factor = 2
3 × 71 =
568
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 3
2 × 71 =
639
This list continues below...
... This list continues from above
composite factor = 2
3 × 5 × 17 =
680
composite factor = 2 × 5 × 71 =
710
composite factor = 3
2 × 5 × 17 =
765
composite factor = 2
2 × 3 × 71 =
852
composite factor = 2
2 × 3 × 5 × 17 =
1,020
composite factor = 3 × 5 × 71 =
1,065
composite factor = 17 × 71 =
1,207
composite factor = 2
3 × 3
2 × 17 =
1,224
composite factor = 2 × 3
2 × 71 =
1,278
composite factor = 2
2 × 5 × 71 =
1,420
composite factor = 2 × 3
2 × 5 × 17 =
1,530
composite factor = 2
3 × 3 × 71 =
1,704
composite factor = 2
3 × 3 × 5 × 17 =
2,040
composite factor = 2 × 3 × 5 × 71 =
2,130
composite factor = 2 × 17 × 71 =
2,414
composite factor = 2
2 × 3
2 × 71 =
2,556
composite factor = 2
3 × 5 × 71 =
2,840
composite factor = 2
2 × 3
2 × 5 × 17 =
3,060
composite factor = 3
2 × 5 × 71 =
3,195
composite factor = 3 × 17 × 71 =
3,621
composite factor = 2
2 × 3 × 5 × 71 =
4,260
composite factor = 2
2 × 17 × 71 =
4,828
composite factor = 2
3 × 3
2 × 71 =
5,112
composite factor = 5 × 17 × 71 =
6,035
composite factor = 2
3 × 3
2 × 5 × 17 =
6,120
composite factor = 2 × 3
2 × 5 × 71 =
6,390
composite factor = 2 × 3 × 17 × 71 =
7,242
composite factor = 2
3 × 3 × 5 × 71 =
8,520
composite factor = 2
3 × 17 × 71 =
9,656
composite factor = 3
2 × 17 × 71 =
10,863
composite factor = 2 × 5 × 17 × 71 =
12,070
composite factor = 2
2 × 3
2 × 5 × 71 =
12,780
composite factor = 2
2 × 3 × 17 × 71 =
14,484
composite factor = 3 × 5 × 17 × 71 =
18,105
composite factor = 2 × 3
2 × 17 × 71 =
21,726
composite factor = 2
2 × 5 × 17 × 71 =
24,140
composite factor = 2
3 × 3
2 × 5 × 71 =
25,560
composite factor = 2
3 × 3 × 17 × 71 =
28,968
composite factor = 2 × 3 × 5 × 17 × 71 =
36,210
composite factor = 2
2 × 3
2 × 17 × 71 =
43,452
composite factor = 2
3 × 5 × 17 × 71 =
48,280
composite factor = 3
2 × 5 × 17 × 71 =
54,315
composite factor = 2
2 × 3 × 5 × 17 × 71 =
72,420
composite factor = 2
3 × 3
2 × 17 × 71 =
86,904
composite factor = 2 × 3
2 × 5 × 17 × 71 =
108,630
composite factor = 2
3 × 3 × 5 × 17 × 71 =
144,840
composite factor = 2
2 × 3
2 × 5 × 17 × 71 =
217,260
composite factor = 2
3 × 3
2 × 5 × 17 × 71 =
434,520
96 factors (divisors)
What times what is 434,520?
What number multiplied by what number equals 434,520?
All the combinations of any two natural numbers whose product equals 434,520.
1 × 434,520 = 434,520
2 × 217,260 = 434,520
3 × 144,840 = 434,520
4 × 108,630 = 434,520
5 × 86,904 = 434,520
6 × 72,420 = 434,520
8 × 54,315 = 434,520
9 × 48,280 = 434,520
10 × 43,452 = 434,520
12 × 36,210 = 434,520
15 × 28,968 = 434,520
17 × 25,560 = 434,520
18 × 24,140 = 434,520
20 × 21,726 = 434,520
24 × 18,105 = 434,520
30 × 14,484 = 434,520
34 × 12,780 = 434,520
36 × 12,070 = 434,520
40 × 10,863 = 434,520
45 × 9,656 = 434,520
51 × 8,520 = 434,520
60 × 7,242 = 434,520
68 × 6,390 = 434,520
71 × 6,120 = 434,520
72 × 6,035 = 434,520
85 × 5,112 = 434,520
90 × 4,828 = 434,520
102 × 4,260 = 434,520
120 × 3,621 = 434,520
136 × 3,195 = 434,520
142 × 3,060 = 434,520
153 × 2,840 = 434,520
170 × 2,556 = 434,520
180 × 2,414 = 434,520
204 × 2,130 = 434,520
213 × 2,040 = 434,520
255 × 1,704 = 434,520
284 × 1,530 = 434,520
306 × 1,420 = 434,520
340 × 1,278 = 434,520
355 × 1,224 = 434,520
360 × 1,207 = 434,520
408 × 1,065 = 434,520
426 × 1,020 = 434,520
510 × 852 = 434,520
568 × 765 = 434,520
612 × 710 = 434,520
639 × 680 = 434,520
48 unique multiplications The final answer:
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