To find all the divisors of the number 516,200:
- 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 516,200:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
516,200 = 23 × 52 × 29 × 89
516,200 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) × (2 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 516,200
- 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 =
5
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
prime factor =
29
composite factor = 2
3 × 5 =
40
composite factor = 2 × 5
2 =
50
composite factor = 2 × 29 =
58
prime factor =
89
composite factor = 2
2 × 5
2 =
100
composite factor = 2
2 × 29 =
116
composite factor = 5 × 29 =
145
composite factor = 2 × 89 =
178
composite factor = 2
3 × 5
2 =
200
composite factor = 2
3 × 29 =
232
composite factor = 2 × 5 × 29 =
290
composite factor = 2
2 × 89 =
356
composite factor = 5 × 89 =
445
composite factor = 2
2 × 5 × 29 =
580
composite factor = 2
3 × 89 =
712
This list continues below...
... This list continues from above
composite factor = 5
2 × 29 =
725
composite factor = 2 × 5 × 89 =
890
composite factor = 2
3 × 5 × 29 =
1,160
composite factor = 2 × 5
2 × 29 =
1,450
composite factor = 2
2 × 5 × 89 =
1,780
composite factor = 5
2 × 89 =
2,225
composite factor = 29 × 89 =
2,581
composite factor = 2
2 × 5
2 × 29 =
2,900
composite factor = 2
3 × 5 × 89 =
3,560
composite factor = 2 × 5
2 × 89 =
4,450
composite factor = 2 × 29 × 89 =
5,162
composite factor = 2
3 × 5
2 × 29 =
5,800
composite factor = 2
2 × 5
2 × 89 =
8,900
composite factor = 2
2 × 29 × 89 =
10,324
composite factor = 5 × 29 × 89 =
12,905
composite factor = 2
3 × 5
2 × 89 =
17,800
composite factor = 2
3 × 29 × 89 =
20,648
composite factor = 2 × 5 × 29 × 89 =
25,810
composite factor = 2
2 × 5 × 29 × 89 =
51,620
composite factor = 5
2 × 29 × 89 =
64,525
composite factor = 2
3 × 5 × 29 × 89 =
103,240
composite factor = 2 × 5
2 × 29 × 89 =
129,050
composite factor = 2
2 × 5
2 × 29 × 89 =
258,100
composite factor = 2
3 × 5
2 × 29 × 89 =
516,200
48 factors (divisors)
What times what is 516,200?
What number multiplied by what number equals 516,200?
All the combinations of any two natural numbers whose product equals 516,200.
1 × 516,200 = 516,200
2 × 258,100 = 516,200
4 × 129,050 = 516,200
5 × 103,240 = 516,200
8 × 64,525 = 516,200
10 × 51,620 = 516,200
20 × 25,810 = 516,200
25 × 20,648 = 516,200
29 × 17,800 = 516,200
40 × 12,905 = 516,200
50 × 10,324 = 516,200
58 × 8,900 = 516,200
89 × 5,800 = 516,200
100 × 5,162 = 516,200
116 × 4,450 = 516,200
145 × 3,560 = 516,200
178 × 2,900 = 516,200
200 × 2,581 = 516,200
232 × 2,225 = 516,200
290 × 1,780 = 516,200
356 × 1,450 = 516,200
445 × 1,160 = 516,200
580 × 890 = 516,200
712 × 725 = 516,200
24 unique multiplications The final answer:
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