To find all the divisors of the number 122,347,236:
- 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 122,347,236:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
122,347,236 = 22 × 3 × 11 × 587 × 1,579
122,347,236 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 = (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 122,347,236
- 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 =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 11 =
22
composite factor = 3 × 11 =
33
composite factor = 2
2 × 11 =
44
composite factor = 2 × 3 × 11 =
66
composite factor = 2
2 × 3 × 11 =
132
prime factor =
587
composite factor = 2 × 587 =
1,174
prime factor =
1,579
composite factor = 3 × 587 =
1,761
composite factor = 2
2 × 587 =
2,348
composite factor = 2 × 1,579 =
3,158
composite factor = 2 × 3 × 587 =
3,522
composite factor = 3 × 1,579 =
4,737
composite factor = 2
2 × 1,579 =
6,316
composite factor = 11 × 587 =
6,457
composite factor = 2
2 × 3 × 587 =
7,044
composite factor = 2 × 3 × 1,579 =
9,474
This list continues below...
... This list continues from above
composite factor = 2 × 11 × 587 =
12,914
composite factor = 11 × 1,579 =
17,369
composite factor = 2
2 × 3 × 1,579 =
18,948
composite factor = 3 × 11 × 587 =
19,371
composite factor = 2
2 × 11 × 587 =
25,828
composite factor = 2 × 11 × 1,579 =
34,738
composite factor = 2 × 3 × 11 × 587 =
38,742
composite factor = 3 × 11 × 1,579 =
52,107
composite factor = 2
2 × 11 × 1,579 =
69,476
composite factor = 2
2 × 3 × 11 × 587 =
77,484
composite factor = 2 × 3 × 11 × 1,579 =
104,214
composite factor = 2
2 × 3 × 11 × 1,579 =
208,428
composite factor = 587 × 1,579 =
926,873
composite factor = 2 × 587 × 1,579 =
1,853,746
composite factor = 3 × 587 × 1,579 =
2,780,619
composite factor = 2
2 × 587 × 1,579 =
3,707,492
composite factor = 2 × 3 × 587 × 1,579 =
5,561,238
composite factor = 11 × 587 × 1,579 =
10,195,603
composite factor = 2
2 × 3 × 587 × 1,579 =
11,122,476
composite factor = 2 × 11 × 587 × 1,579 =
20,391,206
composite factor = 3 × 11 × 587 × 1,579 =
30,586,809
composite factor = 2
2 × 11 × 587 × 1,579 =
40,782,412
composite factor = 2 × 3 × 11 × 587 × 1,579 =
61,173,618
composite factor = 2
2 × 3 × 11 × 587 × 1,579 =
122,347,236
48 factors (divisors)
What times what is 122,347,236?
What number multiplied by what number equals 122,347,236?
All the combinations of any two natural numbers whose product equals 122,347,236.
1 × 122,347,236 = 122,347,236
2 × 61,173,618 = 122,347,236
3 × 40,782,412 = 122,347,236
4 × 30,586,809 = 122,347,236
6 × 20,391,206 = 122,347,236
11 × 11,122,476 = 122,347,236
12 × 10,195,603 = 122,347,236
22 × 5,561,238 = 122,347,236
33 × 3,707,492 = 122,347,236
44 × 2,780,619 = 122,347,236
66 × 1,853,746 = 122,347,236
132 × 926,873 = 122,347,236
587 × 208,428 = 122,347,236
1,174 × 104,214 = 122,347,236
1,579 × 77,484 = 122,347,236
1,761 × 69,476 = 122,347,236
2,348 × 52,107 = 122,347,236
3,158 × 38,742 = 122,347,236
3,522 × 34,738 = 122,347,236
4,737 × 25,828 = 122,347,236
6,316 × 19,371 = 122,347,236
6,457 × 18,948 = 122,347,236
7,044 × 17,369 = 122,347,236
9,474 × 12,914 = 122,347,236
24 unique multiplications The final answer:
(scroll down)