To find all the divisors of the number 1,024,096,425:
- 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 1,024,096,425:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,024,096,425 = 3 × 52 × 11 × 881 × 1,409
1,024,096,425 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) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,024,096,425
- 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
prime factor =
5
prime factor =
11
composite factor = 3 × 5 =
15
composite factor = 5
2 =
25
composite factor = 3 × 11 =
33
composite factor = 5 × 11 =
55
composite factor = 3 × 5
2 =
75
composite factor = 3 × 5 × 11 =
165
composite factor = 5
2 × 11 =
275
composite factor = 3 × 5
2 × 11 =
825
prime factor =
881
prime factor =
1,409
composite factor = 3 × 881 =
2,643
composite factor = 3 × 1,409 =
4,227
composite factor = 5 × 881 =
4,405
composite factor = 5 × 1,409 =
7,045
composite factor = 11 × 881 =
9,691
composite factor = 3 × 5 × 881 =
13,215
composite factor = 11 × 1,409 =
15,499
composite factor = 3 × 5 × 1,409 =
21,135
composite factor = 5
2 × 881 =
22,025
composite factor = 3 × 11 × 881 =
29,073
This list continues below...
... This list continues from above
composite factor = 5
2 × 1,409 =
35,225
composite factor = 3 × 11 × 1,409 =
46,497
composite factor = 5 × 11 × 881 =
48,455
composite factor = 3 × 5
2 × 881 =
66,075
composite factor = 5 × 11 × 1,409 =
77,495
composite factor = 3 × 5
2 × 1,409 =
105,675
composite factor = 3 × 5 × 11 × 881 =
145,365
composite factor = 3 × 5 × 11 × 1,409 =
232,485
composite factor = 5
2 × 11 × 881 =
242,275
composite factor = 5
2 × 11 × 1,409 =
387,475
composite factor = 3 × 5
2 × 11 × 881 =
726,825
composite factor = 3 × 5
2 × 11 × 1,409 =
1,162,425
composite factor = 881 × 1,409 =
1,241,329
composite factor = 3 × 881 × 1,409 =
3,723,987
composite factor = 5 × 881 × 1,409 =
6,206,645
composite factor = 11 × 881 × 1,409 =
13,654,619
composite factor = 3 × 5 × 881 × 1,409 =
18,619,935
composite factor = 5
2 × 881 × 1,409 =
31,033,225
composite factor = 3 × 11 × 881 × 1,409 =
40,963,857
composite factor = 5 × 11 × 881 × 1,409 =
68,273,095
composite factor = 3 × 5
2 × 881 × 1,409 =
93,099,675
composite factor = 3 × 5 × 11 × 881 × 1,409 =
204,819,285
composite factor = 5
2 × 11 × 881 × 1,409 =
341,365,475
composite factor = 3 × 5
2 × 11 × 881 × 1,409 =
1,024,096,425
48 factors (divisors)
What times what is 1,024,096,425?
What number multiplied by what number equals 1,024,096,425?
All the combinations of any two natural numbers whose product equals 1,024,096,425.
1 × 1,024,096,425 = 1,024,096,425
3 × 341,365,475 = 1,024,096,425
5 × 204,819,285 = 1,024,096,425
11 × 93,099,675 = 1,024,096,425
15 × 68,273,095 = 1,024,096,425
25 × 40,963,857 = 1,024,096,425
33 × 31,033,225 = 1,024,096,425
55 × 18,619,935 = 1,024,096,425
75 × 13,654,619 = 1,024,096,425
165 × 6,206,645 = 1,024,096,425
275 × 3,723,987 = 1,024,096,425
825 × 1,241,329 = 1,024,096,425
881 × 1,162,425 = 1,024,096,425
1,409 × 726,825 = 1,024,096,425
2,643 × 387,475 = 1,024,096,425
4,227 × 242,275 = 1,024,096,425
4,405 × 232,485 = 1,024,096,425
7,045 × 145,365 = 1,024,096,425
9,691 × 105,675 = 1,024,096,425
13,215 × 77,495 = 1,024,096,425
15,499 × 66,075 = 1,024,096,425
21,135 × 48,455 = 1,024,096,425
22,025 × 46,497 = 1,024,096,425
29,073 × 35,225 = 1,024,096,425
24 unique multiplications The final answer:
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