To find all the divisors of the number 437,710:
- 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 437,710:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
437,710 = 2 × 5 × 7 × 132 × 37
437,710 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 437,710
- 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 =
13
composite factor = 2 × 7 =
14
composite factor = 2 × 13 =
26
composite factor = 5 × 7 =
35
prime factor =
37
composite factor = 5 × 13 =
65
composite factor = 2 × 5 × 7 =
70
composite factor = 2 × 37 =
74
composite factor = 7 × 13 =
91
composite factor = 2 × 5 × 13 =
130
composite factor = 13
2 =
169
composite factor = 2 × 7 × 13 =
182
composite factor = 5 × 37 =
185
composite factor = 7 × 37 =
259
composite factor = 2 × 13
2 =
338
composite factor = 2 × 5 × 37 =
370
composite factor = 5 × 7 × 13 =
455
composite factor = 13 × 37 =
481
composite factor = 2 × 7 × 37 =
518
This list continues below...
... This list continues from above
composite factor = 5 × 13
2 =
845
composite factor = 2 × 5 × 7 × 13 =
910
composite factor = 2 × 13 × 37 =
962
composite factor = 7 × 13
2 =
1,183
composite factor = 5 × 7 × 37 =
1,295
composite factor = 2 × 5 × 13
2 =
1,690
composite factor = 2 × 7 × 13
2 =
2,366
composite factor = 5 × 13 × 37 =
2,405
composite factor = 2 × 5 × 7 × 37 =
2,590
composite factor = 7 × 13 × 37 =
3,367
composite factor = 2 × 5 × 13 × 37 =
4,810
composite factor = 5 × 7 × 13
2 =
5,915
composite factor = 13
2 × 37 =
6,253
composite factor = 2 × 7 × 13 × 37 =
6,734
composite factor = 2 × 5 × 7 × 13
2 =
11,830
composite factor = 2 × 13
2 × 37 =
12,506
composite factor = 5 × 7 × 13 × 37 =
16,835
composite factor = 5 × 13
2 × 37 =
31,265
composite factor = 2 × 5 × 7 × 13 × 37 =
33,670
composite factor = 7 × 13
2 × 37 =
43,771
composite factor = 2 × 5 × 13
2 × 37 =
62,530
composite factor = 2 × 7 × 13
2 × 37 =
87,542
composite factor = 5 × 7 × 13
2 × 37 =
218,855
composite factor = 2 × 5 × 7 × 13
2 × 37 =
437,710
48 factors (divisors)
What times what is 437,710?
What number multiplied by what number equals 437,710?
All the combinations of any two natural numbers whose product equals 437,710.
1 × 437,710 = 437,710
2 × 218,855 = 437,710
5 × 87,542 = 437,710
7 × 62,530 = 437,710
10 × 43,771 = 437,710
13 × 33,670 = 437,710
14 × 31,265 = 437,710
26 × 16,835 = 437,710
35 × 12,506 = 437,710
37 × 11,830 = 437,710
65 × 6,734 = 437,710
70 × 6,253 = 437,710
74 × 5,915 = 437,710
91 × 4,810 = 437,710
130 × 3,367 = 437,710
169 × 2,590 = 437,710
182 × 2,405 = 437,710
185 × 2,366 = 437,710
259 × 1,690 = 437,710
338 × 1,295 = 437,710
370 × 1,183 = 437,710
455 × 962 = 437,710
481 × 910 = 437,710
518 × 845 = 437,710
24 unique multiplications The final answer:
(scroll down)