To find all the divisors of the number 4,678,744:
- 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 4,678,744:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
4,678,744 = 23 × 7 × 29 × 43 × 67
4,678,744 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 = (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 4,678,744
- 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 =
7
composite factor = 2
3 =
8
composite factor = 2 × 7 =
14
composite factor = 2
2 × 7 =
28
prime factor =
29
prime factor =
43
composite factor = 2
3 × 7 =
56
composite factor = 2 × 29 =
58
prime factor =
67
composite factor = 2 × 43 =
86
composite factor = 2
2 × 29 =
116
composite factor = 2 × 67 =
134
composite factor = 2
2 × 43 =
172
composite factor = 7 × 29 =
203
composite factor = 2
3 × 29 =
232
composite factor = 2
2 × 67 =
268
composite factor = 7 × 43 =
301
composite factor = 2
3 × 43 =
344
composite factor = 2 × 7 × 29 =
406
composite factor = 7 × 67 =
469
composite factor = 2
3 × 67 =
536
composite factor = 2 × 7 × 43 =
602
composite factor = 2
2 × 7 × 29 =
812
composite factor = 2 × 7 × 67 =
938
composite factor = 2
2 × 7 × 43 =
1,204
composite factor = 29 × 43 =
1,247
composite factor = 2
3 × 7 × 29 =
1,624
composite factor = 2
2 × 7 × 67 =
1,876
composite factor = 29 × 67 =
1,943
This list continues below...
... This list continues from above
composite factor = 2
3 × 7 × 43 =
2,408
composite factor = 2 × 29 × 43 =
2,494
composite factor = 43 × 67 =
2,881
composite factor = 2
3 × 7 × 67 =
3,752
composite factor = 2 × 29 × 67 =
3,886
composite factor = 2
2 × 29 × 43 =
4,988
composite factor = 2 × 43 × 67 =
5,762
composite factor = 2
2 × 29 × 67 =
7,772
composite factor = 7 × 29 × 43 =
8,729
composite factor = 2
3 × 29 × 43 =
9,976
composite factor = 2
2 × 43 × 67 =
11,524
composite factor = 7 × 29 × 67 =
13,601
composite factor = 2
3 × 29 × 67 =
15,544
composite factor = 2 × 7 × 29 × 43 =
17,458
composite factor = 7 × 43 × 67 =
20,167
composite factor = 2
3 × 43 × 67 =
23,048
composite factor = 2 × 7 × 29 × 67 =
27,202
composite factor = 2
2 × 7 × 29 × 43 =
34,916
composite factor = 2 × 7 × 43 × 67 =
40,334
composite factor = 2
2 × 7 × 29 × 67 =
54,404
composite factor = 2
3 × 7 × 29 × 43 =
69,832
composite factor = 2
2 × 7 × 43 × 67 =
80,668
composite factor = 29 × 43 × 67 =
83,549
composite factor = 2
3 × 7 × 29 × 67 =
108,808
composite factor = 2
3 × 7 × 43 × 67 =
161,336
composite factor = 2 × 29 × 43 × 67 =
167,098
composite factor = 2
2 × 29 × 43 × 67 =
334,196
composite factor = 7 × 29 × 43 × 67 =
584,843
composite factor = 2
3 × 29 × 43 × 67 =
668,392
composite factor = 2 × 7 × 29 × 43 × 67 =
1,169,686
composite factor = 2
2 × 7 × 29 × 43 × 67 =
2,339,372
composite factor = 2
3 × 7 × 29 × 43 × 67 =
4,678,744
64 factors (divisors)
What times what is 4,678,744?
What number multiplied by what number equals 4,678,744?
All the combinations of any two natural numbers whose product equals 4,678,744.
1 × 4,678,744 = 4,678,744
2 × 2,339,372 = 4,678,744
4 × 1,169,686 = 4,678,744
7 × 668,392 = 4,678,744
8 × 584,843 = 4,678,744
14 × 334,196 = 4,678,744
28 × 167,098 = 4,678,744
29 × 161,336 = 4,678,744
43 × 108,808 = 4,678,744
56 × 83,549 = 4,678,744
58 × 80,668 = 4,678,744
67 × 69,832 = 4,678,744
86 × 54,404 = 4,678,744
116 × 40,334 = 4,678,744
134 × 34,916 = 4,678,744
172 × 27,202 = 4,678,744
203 × 23,048 = 4,678,744
232 × 20,167 = 4,678,744
268 × 17,458 = 4,678,744
301 × 15,544 = 4,678,744
344 × 13,601 = 4,678,744
406 × 11,524 = 4,678,744
469 × 9,976 = 4,678,744
536 × 8,729 = 4,678,744
602 × 7,772 = 4,678,744
812 × 5,762 = 4,678,744
938 × 4,988 = 4,678,744
1,204 × 3,886 = 4,678,744
1,247 × 3,752 = 4,678,744
1,624 × 2,881 = 4,678,744
1,876 × 2,494 = 4,678,744
1,943 × 2,408 = 4,678,744
32 unique multiplications The final answer:
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