To find all the divisors of the number 500,112:
- 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 500,112:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
500,112 = 24 × 32 × 23 × 151
500,112 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) × (2 + 1) × (1 + 1) × (1 + 1) = 5 × 3 × 2 × 2 = 60
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 500,112
- 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
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2
4 =
16
composite factor = 2 × 3
2 =
18
prime factor =
23
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 23 =
46
composite factor = 2
4 × 3 =
48
composite factor = 3 × 23 =
69
composite factor = 2
3 × 3
2 =
72
composite factor = 2
2 × 23 =
92
composite factor = 2 × 3 × 23 =
138
composite factor = 2
4 × 3
2 =
144
prime factor =
151
composite factor = 2
3 × 23 =
184
composite factor = 3
2 × 23 =
207
composite factor = 2
2 × 3 × 23 =
276
composite factor = 2 × 151 =
302
composite factor = 2
4 × 23 =
368
composite factor = 2 × 3
2 × 23 =
414
composite factor = 3 × 151 =
453
composite factor = 2
3 × 3 × 23 =
552
composite factor = 2
2 × 151 =
604
This list continues below...
... This list continues from above
composite factor = 2
2 × 3
2 × 23 =
828
composite factor = 2 × 3 × 151 =
906
composite factor = 2
4 × 3 × 23 =
1,104
composite factor = 2
3 × 151 =
1,208
composite factor = 3
2 × 151 =
1,359
composite factor = 2
3 × 3
2 × 23 =
1,656
composite factor = 2
2 × 3 × 151 =
1,812
composite factor = 2
4 × 151 =
2,416
composite factor = 2 × 3
2 × 151 =
2,718
composite factor = 2
4 × 3
2 × 23 =
3,312
composite factor = 23 × 151 =
3,473
composite factor = 2
3 × 3 × 151 =
3,624
composite factor = 2
2 × 3
2 × 151 =
5,436
composite factor = 2 × 23 × 151 =
6,946
composite factor = 2
4 × 3 × 151 =
7,248
composite factor = 3 × 23 × 151 =
10,419
composite factor = 2
3 × 3
2 × 151 =
10,872
composite factor = 2
2 × 23 × 151 =
13,892
composite factor = 2 × 3 × 23 × 151 =
20,838
composite factor = 2
4 × 3
2 × 151 =
21,744
composite factor = 2
3 × 23 × 151 =
27,784
composite factor = 3
2 × 23 × 151 =
31,257
composite factor = 2
2 × 3 × 23 × 151 =
41,676
composite factor = 2
4 × 23 × 151 =
55,568
composite factor = 2 × 3
2 × 23 × 151 =
62,514
composite factor = 2
3 × 3 × 23 × 151 =
83,352
composite factor = 2
2 × 3
2 × 23 × 151 =
125,028
composite factor = 2
4 × 3 × 23 × 151 =
166,704
composite factor = 2
3 × 3
2 × 23 × 151 =
250,056
composite factor = 2
4 × 3
2 × 23 × 151 =
500,112
60 factors (divisors)
What times what is 500,112?
What number multiplied by what number equals 500,112?
All the combinations of any two natural numbers whose product equals 500,112.
1 × 500,112 = 500,112
2 × 250,056 = 500,112
3 × 166,704 = 500,112
4 × 125,028 = 500,112
6 × 83,352 = 500,112
8 × 62,514 = 500,112
9 × 55,568 = 500,112
12 × 41,676 = 500,112
16 × 31,257 = 500,112
18 × 27,784 = 500,112
23 × 21,744 = 500,112
24 × 20,838 = 500,112
36 × 13,892 = 500,112
46 × 10,872 = 500,112
48 × 10,419 = 500,112
69 × 7,248 = 500,112
72 × 6,946 = 500,112
92 × 5,436 = 500,112
138 × 3,624 = 500,112
144 × 3,473 = 500,112
151 × 3,312 = 500,112
184 × 2,718 = 500,112
207 × 2,416 = 500,112
276 × 1,812 = 500,112
302 × 1,656 = 500,112
368 × 1,359 = 500,112
414 × 1,208 = 500,112
453 × 1,104 = 500,112
552 × 906 = 500,112
604 × 828 = 500,112
30 unique multiplications The final answer:
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