To find all the divisors of the number 856,440,060:
- 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 856,440,060:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
856,440,060 = 22 × 3 × 5 × 7 × 2,039,143
856,440,060 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 856,440,060
- 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
prime factor =
5
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 3 × 7 =
21
composite factor = 2
2 × 7 =
28
composite factor = 2 × 3 × 5 =
30
composite factor = 5 × 7 =
35
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2 × 5 × 7 =
70
composite factor = 2
2 × 3 × 7 =
84
composite factor = 3 × 5 × 7 =
105
composite factor = 2
2 × 5 × 7 =
140
composite factor = 2 × 3 × 5 × 7 =
210
composite factor = 2
2 × 3 × 5 × 7 =
420
This list continues below...
... This list continues from above
prime factor =
2,039,143
composite factor = 2 × 2,039,143 =
4,078,286
composite factor = 3 × 2,039,143 =
6,117,429
composite factor = 2
2 × 2,039,143 =
8,156,572
composite factor = 5 × 2,039,143 =
10,195,715
composite factor = 2 × 3 × 2,039,143 =
12,234,858
composite factor = 7 × 2,039,143 =
14,274,001
composite factor = 2 × 5 × 2,039,143 =
20,391,430
composite factor = 2
2 × 3 × 2,039,143 =
24,469,716
composite factor = 2 × 7 × 2,039,143 =
28,548,002
composite factor = 3 × 5 × 2,039,143 =
30,587,145
composite factor = 2
2 × 5 × 2,039,143 =
40,782,860
composite factor = 3 × 7 × 2,039,143 =
42,822,003
composite factor = 2
2 × 7 × 2,039,143 =
57,096,004
composite factor = 2 × 3 × 5 × 2,039,143 =
61,174,290
composite factor = 5 × 7 × 2,039,143 =
71,370,005
composite factor = 2 × 3 × 7 × 2,039,143 =
85,644,006
composite factor = 2
2 × 3 × 5 × 2,039,143 =
122,348,580
composite factor = 2 × 5 × 7 × 2,039,143 =
142,740,010
composite factor = 2
2 × 3 × 7 × 2,039,143 =
171,288,012
composite factor = 3 × 5 × 7 × 2,039,143 =
214,110,015
composite factor = 2
2 × 5 × 7 × 2,039,143 =
285,480,020
composite factor = 2 × 3 × 5 × 7 × 2,039,143 =
428,220,030
composite factor = 2
2 × 3 × 5 × 7 × 2,039,143 =
856,440,060
48 factors (divisors)
What times what is 856,440,060?
What number multiplied by what number equals 856,440,060?
All the combinations of any two natural numbers whose product equals 856,440,060.
1 × 856,440,060 = 856,440,060
2 × 428,220,030 = 856,440,060
3 × 285,480,020 = 856,440,060
4 × 214,110,015 = 856,440,060
5 × 171,288,012 = 856,440,060
6 × 142,740,010 = 856,440,060
7 × 122,348,580 = 856,440,060
10 × 85,644,006 = 856,440,060
12 × 71,370,005 = 856,440,060
14 × 61,174,290 = 856,440,060
15 × 57,096,004 = 856,440,060
20 × 42,822,003 = 856,440,060
21 × 40,782,860 = 856,440,060
28 × 30,587,145 = 856,440,060
30 × 28,548,002 = 856,440,060
35 × 24,469,716 = 856,440,060
42 × 20,391,430 = 856,440,060
60 × 14,274,001 = 856,440,060
70 × 12,234,858 = 856,440,060
84 × 10,195,715 = 856,440,060
105 × 8,156,572 = 856,440,060
140 × 6,117,429 = 856,440,060
210 × 4,078,286 = 856,440,060
420 × 2,039,143 = 856,440,060
24 unique multiplications The final answer:
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