To find all the divisors of the number 3,000,000,321:
- 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 3,000,000,321:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,000,000,321 = 34 × 211 × 257 × 683
3,000,000,321 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) × (1 + 1) × (1 + 1) = 5 × 2 × 2 × 2 = 40
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 3,000,000,321
- 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 =
3
composite factor = 3
2 =
9
composite factor = 3
3 =
27
composite factor = 3
4 =
81
prime factor =
211
prime factor =
257
composite factor = 3 × 211 =
633
prime factor =
683
composite factor = 3 × 257 =
771
composite factor = 3
2 × 211 =
1,899
composite factor = 3 × 683 =
2,049
composite factor = 3
2 × 257 =
2,313
composite factor = 3
3 × 211 =
5,697
composite factor = 3
2 × 683 =
6,147
composite factor = 3
3 × 257 =
6,939
composite factor = 3
4 × 211 =
17,091
composite factor = 3
3 × 683 =
18,441
composite factor = 3
4 × 257 =
20,817
composite factor = 211 × 257 =
54,227
This list continues below...
... This list continues from above
composite factor = 3
4 × 683 =
55,323
composite factor = 211 × 683 =
144,113
composite factor = 3 × 211 × 257 =
162,681
composite factor = 257 × 683 =
175,531
composite factor = 3 × 211 × 683 =
432,339
composite factor = 3
2 × 211 × 257 =
488,043
composite factor = 3 × 257 × 683 =
526,593
composite factor = 3
2 × 211 × 683 =
1,297,017
composite factor = 3
3 × 211 × 257 =
1,464,129
composite factor = 3
2 × 257 × 683 =
1,579,779
composite factor = 3
3 × 211 × 683 =
3,891,051
composite factor = 3
4 × 211 × 257 =
4,392,387
composite factor = 3
3 × 257 × 683 =
4,739,337
composite factor = 3
4 × 211 × 683 =
11,673,153
composite factor = 3
4 × 257 × 683 =
14,218,011
composite factor = 211 × 257 × 683 =
37,037,041
composite factor = 3 × 211 × 257 × 683 =
111,111,123
composite factor = 3
2 × 211 × 257 × 683 =
333,333,369
composite factor = 3
3 × 211 × 257 × 683 =
1,000,000,107
composite factor = 3
4 × 211 × 257 × 683 =
3,000,000,321
40 factors (divisors)
What times what is 3,000,000,321?
What number multiplied by what number equals 3,000,000,321?
All the combinations of any two natural numbers whose product equals 3,000,000,321.
1 × 3,000,000,321 = 3,000,000,321
3 × 1,000,000,107 = 3,000,000,321
9 × 333,333,369 = 3,000,000,321
27 × 111,111,123 = 3,000,000,321
81 × 37,037,041 = 3,000,000,321
211 × 14,218,011 = 3,000,000,321
257 × 11,673,153 = 3,000,000,321
633 × 4,739,337 = 3,000,000,321
683 × 4,392,387 = 3,000,000,321
771 × 3,891,051 = 3,000,000,321
1,899 × 1,579,779 = 3,000,000,321
2,049 × 1,464,129 = 3,000,000,321
2,313 × 1,297,017 = 3,000,000,321
5,697 × 526,593 = 3,000,000,321
6,147 × 488,043 = 3,000,000,321
6,939 × 432,339 = 3,000,000,321
17,091 × 175,531 = 3,000,000,321
18,441 × 162,681 = 3,000,000,321
20,817 × 144,113 = 3,000,000,321
54,227 × 55,323 = 3,000,000,321
20 unique multiplications The final answer:
(scroll down)