To find all the divisors of the number 319,704:
- 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 319,704:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
319,704 = 23 × 3 × 7 × 11 × 173
319,704 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 319,704
- 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
prime factor =
7
composite factor = 2
3 =
8
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 7 =
21
composite factor = 2 × 11 =
22
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 3 × 11 =
33
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 11 =
44
composite factor = 2
3 × 7 =
56
composite factor = 2 × 3 × 11 =
66
composite factor = 7 × 11 =
77
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
3 × 11 =
88
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 7 × 11 =
154
composite factor = 2
3 × 3 × 7 =
168
prime factor =
173
composite factor = 3 × 7 × 11 =
231
composite factor = 2
3 × 3 × 11 =
264
composite factor = 2
2 × 7 × 11 =
308
composite factor = 2 × 173 =
346
composite factor = 2 × 3 × 7 × 11 =
462
composite factor = 3 × 173 =
519
This list continues below...
... This list continues from above
composite factor = 2
3 × 7 × 11 =
616
composite factor = 2
2 × 173 =
692
composite factor = 2
2 × 3 × 7 × 11 =
924
composite factor = 2 × 3 × 173 =
1,038
composite factor = 7 × 173 =
1,211
composite factor = 2
3 × 173 =
1,384
composite factor = 2
3 × 3 × 7 × 11 =
1,848
composite factor = 11 × 173 =
1,903
composite factor = 2
2 × 3 × 173 =
2,076
composite factor = 2 × 7 × 173 =
2,422
composite factor = 3 × 7 × 173 =
3,633
composite factor = 2 × 11 × 173 =
3,806
composite factor = 2
3 × 3 × 173 =
4,152
composite factor = 2
2 × 7 × 173 =
4,844
composite factor = 3 × 11 × 173 =
5,709
composite factor = 2 × 3 × 7 × 173 =
7,266
composite factor = 2
2 × 11 × 173 =
7,612
composite factor = 2
3 × 7 × 173 =
9,688
composite factor = 2 × 3 × 11 × 173 =
11,418
composite factor = 7 × 11 × 173 =
13,321
composite factor = 2
2 × 3 × 7 × 173 =
14,532
composite factor = 2
3 × 11 × 173 =
15,224
composite factor = 2
2 × 3 × 11 × 173 =
22,836
composite factor = 2 × 7 × 11 × 173 =
26,642
composite factor = 2
3 × 3 × 7 × 173 =
29,064
composite factor = 3 × 7 × 11 × 173 =
39,963
composite factor = 2
3 × 3 × 11 × 173 =
45,672
composite factor = 2
2 × 7 × 11 × 173 =
53,284
composite factor = 2 × 3 × 7 × 11 × 173 =
79,926
composite factor = 2
3 × 7 × 11 × 173 =
106,568
composite factor = 2
2 × 3 × 7 × 11 × 173 =
159,852
composite factor = 2
3 × 3 × 7 × 11 × 173 =
319,704
64 factors (divisors)
What times what is 319,704?
What number multiplied by what number equals 319,704?
All the combinations of any two natural numbers whose product equals 319,704.
1 × 319,704 = 319,704
2 × 159,852 = 319,704
3 × 106,568 = 319,704
4 × 79,926 = 319,704
6 × 53,284 = 319,704
7 × 45,672 = 319,704
8 × 39,963 = 319,704
11 × 29,064 = 319,704
12 × 26,642 = 319,704
14 × 22,836 = 319,704
21 × 15,224 = 319,704
22 × 14,532 = 319,704
24 × 13,321 = 319,704
28 × 11,418 = 319,704
33 × 9,688 = 319,704
42 × 7,612 = 319,704
44 × 7,266 = 319,704
56 × 5,709 = 319,704
66 × 4,844 = 319,704
77 × 4,152 = 319,704
84 × 3,806 = 319,704
88 × 3,633 = 319,704
132 × 2,422 = 319,704
154 × 2,076 = 319,704
168 × 1,903 = 319,704
173 × 1,848 = 319,704
231 × 1,384 = 319,704
264 × 1,211 = 319,704
308 × 1,038 = 319,704
346 × 924 = 319,704
462 × 692 = 319,704
519 × 616 = 319,704
32 unique multiplications The final answer:
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