To find all the divisors of the number 522,210:
- 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 522,210:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
522,210 = 2 × 3 × 5 × 132 × 103
522,210 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) × (1 + 1) × (2 + 1) × (1 + 1) = 2 × 2 × 2 × 3 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 522,210
- 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
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2 × 5 =
10
prime factor =
13
composite factor = 3 × 5 =
15
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 13 =
39
composite factor = 5 × 13 =
65
composite factor = 2 × 3 × 13 =
78
prime factor =
103
composite factor = 2 × 5 × 13 =
130
composite factor = 13
2 =
169
composite factor = 3 × 5 × 13 =
195
composite factor = 2 × 103 =
206
composite factor = 3 × 103 =
309
composite factor = 2 × 13
2 =
338
composite factor = 2 × 3 × 5 × 13 =
390
composite factor = 3 × 13
2 =
507
composite factor = 5 × 103 =
515
composite factor = 2 × 3 × 103 =
618
This list continues below...
... This list continues from above
composite factor = 5 × 13
2 =
845
composite factor = 2 × 3 × 13
2 =
1,014
composite factor = 2 × 5 × 103 =
1,030
composite factor = 13 × 103 =
1,339
composite factor = 3 × 5 × 103 =
1,545
composite factor = 2 × 5 × 13
2 =
1,690
composite factor = 3 × 5 × 13
2 =
2,535
composite factor = 2 × 13 × 103 =
2,678
composite factor = 2 × 3 × 5 × 103 =
3,090
composite factor = 3 × 13 × 103 =
4,017
composite factor = 2 × 3 × 5 × 13
2 =
5,070
composite factor = 5 × 13 × 103 =
6,695
composite factor = 2 × 3 × 13 × 103 =
8,034
composite factor = 2 × 5 × 13 × 103 =
13,390
composite factor = 13
2 × 103 =
17,407
composite factor = 3 × 5 × 13 × 103 =
20,085
composite factor = 2 × 13
2 × 103 =
34,814
composite factor = 2 × 3 × 5 × 13 × 103 =
40,170
composite factor = 3 × 13
2 × 103 =
52,221
composite factor = 5 × 13
2 × 103 =
87,035
composite factor = 2 × 3 × 13
2 × 103 =
104,442
composite factor = 2 × 5 × 13
2 × 103 =
174,070
composite factor = 3 × 5 × 13
2 × 103 =
261,105
composite factor = 2 × 3 × 5 × 13
2 × 103 =
522,210
48 factors (divisors)
What times what is 522,210?
What number multiplied by what number equals 522,210?
All the combinations of any two natural numbers whose product equals 522,210.
1 × 522,210 = 522,210
2 × 261,105 = 522,210
3 × 174,070 = 522,210
5 × 104,442 = 522,210
6 × 87,035 = 522,210
10 × 52,221 = 522,210
13 × 40,170 = 522,210
15 × 34,814 = 522,210
26 × 20,085 = 522,210
30 × 17,407 = 522,210
39 × 13,390 = 522,210
65 × 8,034 = 522,210
78 × 6,695 = 522,210
103 × 5,070 = 522,210
130 × 4,017 = 522,210
169 × 3,090 = 522,210
195 × 2,678 = 522,210
206 × 2,535 = 522,210
309 × 1,690 = 522,210
338 × 1,545 = 522,210
390 × 1,339 = 522,210
507 × 1,030 = 522,210
515 × 1,014 = 522,210
618 × 845 = 522,210
24 unique multiplications The final answer:
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