To find all the divisors of the number 5,709,384:
- 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 5,709,384:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
5,709,384 = 23 × 32 × 179 × 443
5,709,384 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) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 5,709,384
- 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 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
composite factor = 2
3 × 3
2 =
72
prime factor =
179
composite factor = 2 × 179 =
358
prime factor =
443
composite factor = 3 × 179 =
537
composite factor = 2
2 × 179 =
716
composite factor = 2 × 443 =
886
composite factor = 2 × 3 × 179 =
1,074
composite factor = 3 × 443 =
1,329
composite factor = 2
3 × 179 =
1,432
composite factor = 3
2 × 179 =
1,611
composite factor = 2
2 × 443 =
1,772
composite factor = 2
2 × 3 × 179 =
2,148
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 443 =
2,658
composite factor = 2 × 3
2 × 179 =
3,222
composite factor = 2
3 × 443 =
3,544
composite factor = 3
2 × 443 =
3,987
composite factor = 2
3 × 3 × 179 =
4,296
composite factor = 2
2 × 3 × 443 =
5,316
composite factor = 2
2 × 3
2 × 179 =
6,444
composite factor = 2 × 3
2 × 443 =
7,974
composite factor = 2
3 × 3 × 443 =
10,632
composite factor = 2
3 × 3
2 × 179 =
12,888
composite factor = 2
2 × 3
2 × 443 =
15,948
composite factor = 2
3 × 3
2 × 443 =
31,896
composite factor = 179 × 443 =
79,297
composite factor = 2 × 179 × 443 =
158,594
composite factor = 3 × 179 × 443 =
237,891
composite factor = 2
2 × 179 × 443 =
317,188
composite factor = 2 × 3 × 179 × 443 =
475,782
composite factor = 2
3 × 179 × 443 =
634,376
composite factor = 3
2 × 179 × 443 =
713,673
composite factor = 2
2 × 3 × 179 × 443 =
951,564
composite factor = 2 × 3
2 × 179 × 443 =
1,427,346
composite factor = 2
3 × 3 × 179 × 443 =
1,903,128
composite factor = 2
2 × 3
2 × 179 × 443 =
2,854,692
composite factor = 2
3 × 3
2 × 179 × 443 =
5,709,384
48 factors (divisors)
What times what is 5,709,384?
What number multiplied by what number equals 5,709,384?
All the combinations of any two natural numbers whose product equals 5,709,384.
1 × 5,709,384 = 5,709,384
2 × 2,854,692 = 5,709,384
3 × 1,903,128 = 5,709,384
4 × 1,427,346 = 5,709,384
6 × 951,564 = 5,709,384
8 × 713,673 = 5,709,384
9 × 634,376 = 5,709,384
12 × 475,782 = 5,709,384
18 × 317,188 = 5,709,384
24 × 237,891 = 5,709,384
36 × 158,594 = 5,709,384
72 × 79,297 = 5,709,384
179 × 31,896 = 5,709,384
358 × 15,948 = 5,709,384
443 × 12,888 = 5,709,384
537 × 10,632 = 5,709,384
716 × 7,974 = 5,709,384
886 × 6,444 = 5,709,384
1,074 × 5,316 = 5,709,384
1,329 × 4,296 = 5,709,384
1,432 × 3,987 = 5,709,384
1,611 × 3,544 = 5,709,384
1,772 × 3,222 = 5,709,384
2,148 × 2,658 = 5,709,384
24 unique multiplications The final answer:
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