To find all the divisors of the number 609,070:
- 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 609,070:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
609,070 = 2 × 5 × 72 × 11 × 113
609,070 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) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 609,070
- 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 =
5
prime factor =
7
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 2 × 11 =
22
composite factor = 5 × 7 =
35
composite factor = 7
2 =
49
composite factor = 5 × 11 =
55
composite factor = 2 × 5 × 7 =
70
composite factor = 7 × 11 =
77
composite factor = 2 × 7
2 =
98
composite factor = 2 × 5 × 11 =
110
prime factor =
113
composite factor = 2 × 7 × 11 =
154
composite factor = 2 × 113 =
226
composite factor = 5 × 7
2 =
245
composite factor = 5 × 7 × 11 =
385
composite factor = 2 × 5 × 7
2 =
490
composite factor = 7
2 × 11 =
539
composite factor = 5 × 113 =
565
composite factor = 2 × 5 × 7 × 11 =
770
This list continues below...
... This list continues from above
composite factor = 7 × 113 =
791
composite factor = 2 × 7
2 × 11 =
1,078
composite factor = 2 × 5 × 113 =
1,130
composite factor = 11 × 113 =
1,243
composite factor = 2 × 7 × 113 =
1,582
composite factor = 2 × 11 × 113 =
2,486
composite factor = 5 × 7
2 × 11 =
2,695
composite factor = 5 × 7 × 113 =
3,955
composite factor = 2 × 5 × 7
2 × 11 =
5,390
composite factor = 7
2 × 113 =
5,537
composite factor = 5 × 11 × 113 =
6,215
composite factor = 2 × 5 × 7 × 113 =
7,910
composite factor = 7 × 11 × 113 =
8,701
composite factor = 2 × 7
2 × 113 =
11,074
composite factor = 2 × 5 × 11 × 113 =
12,430
composite factor = 2 × 7 × 11 × 113 =
17,402
composite factor = 5 × 7
2 × 113 =
27,685
composite factor = 5 × 7 × 11 × 113 =
43,505
composite factor = 2 × 5 × 7
2 × 113 =
55,370
composite factor = 7
2 × 11 × 113 =
60,907
composite factor = 2 × 5 × 7 × 11 × 113 =
87,010
composite factor = 2 × 7
2 × 11 × 113 =
121,814
composite factor = 5 × 7
2 × 11 × 113 =
304,535
composite factor = 2 × 5 × 7
2 × 11 × 113 =
609,070
48 factors (divisors)
What times what is 609,070?
What number multiplied by what number equals 609,070?
All the combinations of any two natural numbers whose product equals 609,070.
1 × 609,070 = 609,070
2 × 304,535 = 609,070
5 × 121,814 = 609,070
7 × 87,010 = 609,070
10 × 60,907 = 609,070
11 × 55,370 = 609,070
14 × 43,505 = 609,070
22 × 27,685 = 609,070
35 × 17,402 = 609,070
49 × 12,430 = 609,070
55 × 11,074 = 609,070
70 × 8,701 = 609,070
77 × 7,910 = 609,070
98 × 6,215 = 609,070
110 × 5,537 = 609,070
113 × 5,390 = 609,070
154 × 3,955 = 609,070
226 × 2,695 = 609,070
245 × 2,486 = 609,070
385 × 1,582 = 609,070
490 × 1,243 = 609,070
539 × 1,130 = 609,070
565 × 1,078 = 609,070
770 × 791 = 609,070
24 unique multiplications The final answer:
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