To find all the divisors of the number 501,424:
- 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 501,424:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
501,424 = 24 × 7 × 112 × 37
501,424 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 = (4 + 1) × (1 + 1) × (2 + 1) × (1 + 1) = 5 × 2 × 3 × 2 = 60
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 501,424
- 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
composite factor = 2
2 =
4
prime factor =
7
composite factor = 2
3 =
8
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 2
4 =
16
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
prime factor =
37
composite factor = 2
2 × 11 =
44
composite factor = 2
3 × 7 =
56
composite factor = 2 × 37 =
74
composite factor = 7 × 11 =
77
composite factor = 2
3 × 11 =
88
composite factor = 2
4 × 7 =
112
composite factor = 11
2 =
121
composite factor = 2
2 × 37 =
148
composite factor = 2 × 7 × 11 =
154
composite factor = 2
4 × 11 =
176
composite factor = 2 × 11
2 =
242
composite factor = 7 × 37 =
259
composite factor = 2
3 × 37 =
296
composite factor = 2
2 × 7 × 11 =
308
composite factor = 11 × 37 =
407
composite factor = 2
2 × 11
2 =
484
composite factor = 2 × 7 × 37 =
518
composite factor = 2
4 × 37 =
592
composite factor = 2
3 × 7 × 11 =
616
This list continues below...
... This list continues from above
composite factor = 2 × 11 × 37 =
814
composite factor = 7 × 11
2 =
847
composite factor = 2
3 × 11
2 =
968
composite factor = 2
2 × 7 × 37 =
1,036
composite factor = 2
4 × 7 × 11 =
1,232
composite factor = 2
2 × 11 × 37 =
1,628
composite factor = 2 × 7 × 11
2 =
1,694
composite factor = 2
4 × 11
2 =
1,936
composite factor = 2
3 × 7 × 37 =
2,072
composite factor = 7 × 11 × 37 =
2,849
composite factor = 2
3 × 11 × 37 =
3,256
composite factor = 2
2 × 7 × 11
2 =
3,388
composite factor = 2
4 × 7 × 37 =
4,144
composite factor = 11
2 × 37 =
4,477
composite factor = 2 × 7 × 11 × 37 =
5,698
composite factor = 2
4 × 11 × 37 =
6,512
composite factor = 2
3 × 7 × 11
2 =
6,776
composite factor = 2 × 11
2 × 37 =
8,954
composite factor = 2
2 × 7 × 11 × 37 =
11,396
composite factor = 2
4 × 7 × 11
2 =
13,552
composite factor = 2
2 × 11
2 × 37 =
17,908
composite factor = 2
3 × 7 × 11 × 37 =
22,792
composite factor = 7 × 11
2 × 37 =
31,339
composite factor = 2
3 × 11
2 × 37 =
35,816
composite factor = 2
4 × 7 × 11 × 37 =
45,584
composite factor = 2 × 7 × 11
2 × 37 =
62,678
composite factor = 2
4 × 11
2 × 37 =
71,632
composite factor = 2
2 × 7 × 11
2 × 37 =
125,356
composite factor = 2
3 × 7 × 11
2 × 37 =
250,712
composite factor = 2
4 × 7 × 11
2 × 37 =
501,424
60 factors (divisors)
What times what is 501,424?
What number multiplied by what number equals 501,424?
All the combinations of any two natural numbers whose product equals 501,424.
1 × 501,424 = 501,424
2 × 250,712 = 501,424
4 × 125,356 = 501,424
7 × 71,632 = 501,424
8 × 62,678 = 501,424
11 × 45,584 = 501,424
14 × 35,816 = 501,424
16 × 31,339 = 501,424
22 × 22,792 = 501,424
28 × 17,908 = 501,424
37 × 13,552 = 501,424
44 × 11,396 = 501,424
56 × 8,954 = 501,424
74 × 6,776 = 501,424
77 × 6,512 = 501,424
88 × 5,698 = 501,424
112 × 4,477 = 501,424
121 × 4,144 = 501,424
148 × 3,388 = 501,424
154 × 3,256 = 501,424
176 × 2,849 = 501,424
242 × 2,072 = 501,424
259 × 1,936 = 501,424
296 × 1,694 = 501,424
308 × 1,628 = 501,424
407 × 1,232 = 501,424
484 × 1,036 = 501,424
518 × 968 = 501,424
592 × 847 = 501,424
616 × 814 = 501,424
30 unique multiplications The final answer:
(scroll down)