To find all the divisors of the number 7,673,076:
- 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 7,673,076:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
7,673,076 = 22 × 33 × 23 × 3,089
7,673,076 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 7,673,076
- 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
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
prime factor =
23
composite factor = 3
3 =
27
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 23 =
46
composite factor = 2 × 3
3 =
54
composite factor = 3 × 23 =
69
composite factor = 2
2 × 23 =
92
composite factor = 2
2 × 3
3 =
108
composite factor = 2 × 3 × 23 =
138
composite factor = 3
2 × 23 =
207
composite factor = 2
2 × 3 × 23 =
276
composite factor = 2 × 3
2 × 23 =
414
composite factor = 3
3 × 23 =
621
composite factor = 2
2 × 3
2 × 23 =
828
composite factor = 2 × 3
3 × 23 =
1,242
composite factor = 2
2 × 3
3 × 23 =
2,484
This list continues below...
... This list continues from above
prime factor =
3,089
composite factor = 2 × 3,089 =
6,178
composite factor = 3 × 3,089 =
9,267
composite factor = 2
2 × 3,089 =
12,356
composite factor = 2 × 3 × 3,089 =
18,534
composite factor = 3
2 × 3,089 =
27,801
composite factor = 2
2 × 3 × 3,089 =
37,068
composite factor = 2 × 3
2 × 3,089 =
55,602
composite factor = 23 × 3,089 =
71,047
composite factor = 3
3 × 3,089 =
83,403
composite factor = 2
2 × 3
2 × 3,089 =
111,204
composite factor = 2 × 23 × 3,089 =
142,094
composite factor = 2 × 3
3 × 3,089 =
166,806
composite factor = 3 × 23 × 3,089 =
213,141
composite factor = 2
2 × 23 × 3,089 =
284,188
composite factor = 2
2 × 3
3 × 3,089 =
333,612
composite factor = 2 × 3 × 23 × 3,089 =
426,282
composite factor = 3
2 × 23 × 3,089 =
639,423
composite factor = 2
2 × 3 × 23 × 3,089 =
852,564
composite factor = 2 × 3
2 × 23 × 3,089 =
1,278,846
composite factor = 3
3 × 23 × 3,089 =
1,918,269
composite factor = 2
2 × 3
2 × 23 × 3,089 =
2,557,692
composite factor = 2 × 3
3 × 23 × 3,089 =
3,836,538
composite factor = 2
2 × 3
3 × 23 × 3,089 =
7,673,076
48 factors (divisors)
What times what is 7,673,076?
What number multiplied by what number equals 7,673,076?
All the combinations of any two natural numbers whose product equals 7,673,076.
1 × 7,673,076 = 7,673,076
2 × 3,836,538 = 7,673,076
3 × 2,557,692 = 7,673,076
4 × 1,918,269 = 7,673,076
6 × 1,278,846 = 7,673,076
9 × 852,564 = 7,673,076
12 × 639,423 = 7,673,076
18 × 426,282 = 7,673,076
23 × 333,612 = 7,673,076
27 × 284,188 = 7,673,076
36 × 213,141 = 7,673,076
46 × 166,806 = 7,673,076
54 × 142,094 = 7,673,076
69 × 111,204 = 7,673,076
92 × 83,403 = 7,673,076
108 × 71,047 = 7,673,076
138 × 55,602 = 7,673,076
207 × 37,068 = 7,673,076
276 × 27,801 = 7,673,076
414 × 18,534 = 7,673,076
621 × 12,356 = 7,673,076
828 × 9,267 = 7,673,076
1,242 × 6,178 = 7,673,076
2,484 × 3,089 = 7,673,076
24 unique multiplications The final answer:
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