Factors of 518
The factors of 518 are 1, 2, 7, 14, 37, 74, 259, 518. It has 8 factors.
Factors of 518
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 518 is a whole number that divides it with nothing left over. You only need to test the numbers up to √518 ≈ 22.76; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 2 + 7 + 14 + 37 + 74 + 259 + 518 = 912. Without 518 itself that is 394, so 518 is a deficient number.
LaTeX source of the formulas on this page
\[ 518 = 2 \times 7 \times 37 \]
Factor pairs of 518
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 518 | 1 × 518 = 518 |
| 2 | 259 | 2 × 259 = 518 |
| 7 | 74 | 7 × 74 = 518 |
| 14 | 37 | 14 × 37 = 518 |
Questions
What are the factors of 518?
The factors of 518 are 1, 2, 7, 14, 37, 74, 259, 518. It has 8 factors.
What are the prime factors of 518?
2, 7, 37. As a product: 2 × 7 × 37.
How many factors does 518 have?
518 has 8 factors (4 factor pairs).
What is the sum of the factors of 518?
912.
Is 518 a prime number?
No. It is divisible by 2, so 518 = 2 × 259.