To find all the divisors of the number 2,125,000,004:
- 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 2,125,000,004:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
2,125,000,004 = 22 × 101 × 103 × 223 × 229
2,125,000,004 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 2,125,000,004
- 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
composite factor = 2
2 =
4
prime factor =
101
prime factor =
103
composite factor = 2 × 101 =
202
composite factor = 2 × 103 =
206
prime factor =
223
prime factor =
229
composite factor = 2
2 × 101 =
404
composite factor = 2
2 × 103 =
412
composite factor = 2 × 223 =
446
composite factor = 2 × 229 =
458
composite factor = 2
2 × 223 =
892
composite factor = 2
2 × 229 =
916
composite factor = 101 × 103 =
10,403
composite factor = 2 × 101 × 103 =
20,806
composite factor = 101 × 223 =
22,523
composite factor = 103 × 223 =
22,969
composite factor = 101 × 229 =
23,129
composite factor = 103 × 229 =
23,587
composite factor = 2
2 × 101 × 103 =
41,612
composite factor = 2 × 101 × 223 =
45,046
composite factor = 2 × 103 × 223 =
45,938
This list continues below...
... This list continues from above
composite factor = 2 × 101 × 229 =
46,258
composite factor = 2 × 103 × 229 =
47,174
composite factor = 223 × 229 =
51,067
composite factor = 2
2 × 101 × 223 =
90,092
composite factor = 2
2 × 103 × 223 =
91,876
composite factor = 2
2 × 101 × 229 =
92,516
composite factor = 2
2 × 103 × 229 =
94,348
composite factor = 2 × 223 × 229 =
102,134
composite factor = 2
2 × 223 × 229 =
204,268
composite factor = 101 × 103 × 223 =
2,319,869
composite factor = 101 × 103 × 229 =
2,382,287
composite factor = 2 × 101 × 103 × 223 =
4,639,738
composite factor = 2 × 101 × 103 × 229 =
4,764,574
composite factor = 101 × 223 × 229 =
5,157,767
composite factor = 103 × 223 × 229 =
5,259,901
composite factor = 2
2 × 101 × 103 × 223 =
9,279,476
composite factor = 2
2 × 101 × 103 × 229 =
9,529,148
composite factor = 2 × 101 × 223 × 229 =
10,315,534
composite factor = 2 × 103 × 223 × 229 =
10,519,802
composite factor = 2
2 × 101 × 223 × 229 =
20,631,068
composite factor = 2
2 × 103 × 223 × 229 =
21,039,604
composite factor = 101 × 103 × 223 × 229 =
531,250,001
composite factor = 2 × 101 × 103 × 223 × 229 =
1,062,500,002
composite factor = 2
2 × 101 × 103 × 223 × 229 =
2,125,000,004
48 factors (divisors)
What times what is 2,125,000,004?
What number multiplied by what number equals 2,125,000,004?
All the combinations of any two natural numbers whose product equals 2,125,000,004.
1 × 2,125,000,004 = 2,125,000,004
2 × 1,062,500,002 = 2,125,000,004
4 × 531,250,001 = 2,125,000,004
101 × 21,039,604 = 2,125,000,004
103 × 20,631,068 = 2,125,000,004
202 × 10,519,802 = 2,125,000,004
206 × 10,315,534 = 2,125,000,004
223 × 9,529,148 = 2,125,000,004
229 × 9,279,476 = 2,125,000,004
404 × 5,259,901 = 2,125,000,004
412 × 5,157,767 = 2,125,000,004
446 × 4,764,574 = 2,125,000,004
458 × 4,639,738 = 2,125,000,004
892 × 2,382,287 = 2,125,000,004
916 × 2,319,869 = 2,125,000,004
10,403 × 204,268 = 2,125,000,004
20,806 × 102,134 = 2,125,000,004
22,523 × 94,348 = 2,125,000,004
22,969 × 92,516 = 2,125,000,004
23,129 × 91,876 = 2,125,000,004
23,587 × 90,092 = 2,125,000,004
41,612 × 51,067 = 2,125,000,004
45,046 × 47,174 = 2,125,000,004
45,938 × 46,258 = 2,125,000,004
24 unique multiplications The final answer:
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