To find all the divisors of the number 214,107,231:
- 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 214,107,231:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
214,107,231 = 3 × 13 × 17 × 47 × 6,871
214,107,231 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 = (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 2 × 2 × 2 = 32
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 214,107,231
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- 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
prime factor =
13
prime factor =
17
composite factor = 3 × 13 =
39
prime factor =
47
composite factor = 3 × 17 =
51
composite factor = 3 × 47 =
141
composite factor = 13 × 17 =
221
composite factor = 13 × 47 =
611
composite factor = 3 × 13 × 17 =
663
composite factor = 17 × 47 =
799
composite factor = 3 × 13 × 47 =
1,833
composite factor = 3 × 17 × 47 =
2,397
prime factor =
6,871
composite factor = 13 × 17 × 47 =
10,387
This list continues below...
... This list continues from above
composite factor = 3 × 6,871 =
20,613
composite factor = 3 × 13 × 17 × 47 =
31,161
composite factor = 13 × 6,871 =
89,323
composite factor = 17 × 6,871 =
116,807
composite factor = 3 × 13 × 6,871 =
267,969
composite factor = 47 × 6,871 =
322,937
composite factor = 3 × 17 × 6,871 =
350,421
composite factor = 3 × 47 × 6,871 =
968,811
composite factor = 13 × 17 × 6,871 =
1,518,491
composite factor = 13 × 47 × 6,871 =
4,198,181
composite factor = 3 × 13 × 17 × 6,871 =
4,555,473
composite factor = 17 × 47 × 6,871 =
5,489,929
composite factor = 3 × 13 × 47 × 6,871 =
12,594,543
composite factor = 3 × 17 × 47 × 6,871 =
16,469,787
composite factor = 13 × 17 × 47 × 6,871 =
71,369,077
composite factor = 3 × 13 × 17 × 47 × 6,871 =
214,107,231
32 factors (divisors)
What times what is 214,107,231?
What number multiplied by what number equals 214,107,231?
All the combinations of any two natural numbers whose product equals 214,107,231.
1 × 214,107,231 = 214,107,231
3 × 71,369,077 = 214,107,231
13 × 16,469,787 = 214,107,231
17 × 12,594,543 = 214,107,231
39 × 5,489,929 = 214,107,231
47 × 4,555,473 = 214,107,231
51 × 4,198,181 = 214,107,231
141 × 1,518,491 = 214,107,231
221 × 968,811 = 214,107,231
611 × 350,421 = 214,107,231
663 × 322,937 = 214,107,231
799 × 267,969 = 214,107,231
1,833 × 116,807 = 214,107,231
2,397 × 89,323 = 214,107,231
6,871 × 31,161 = 214,107,231
10,387 × 20,613 = 214,107,231
16 unique multiplications The final answer:
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