Factors of 310
The factors of 310 are 1, 2, 5, 10, 31, 62, 155, 310. It has 8 factors.
Factors of 310
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 310 is a whole number that divides it with nothing left over. You only need to test the numbers up to √310 ≈ 17.61; 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 + 5 + 10 + 31 + 62 + 155 + 310 = 576. Without 310 itself that is 266, so 310 is a deficient number.
LaTeX source of the formulas on this page
\[ 310 = 2 \times 5 \times 31 \]
Factor pairs of 310
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 310 | 1 × 310 = 310 |
| 2 | 155 | 2 × 155 = 310 |
| 5 | 62 | 5 × 62 = 310 |
| 10 | 31 | 10 × 31 = 310 |
Questions
What are the factors of 310?
The factors of 310 are 1, 2, 5, 10, 31, 62, 155, 310. It has 8 factors.
What are the prime factors of 310?
2, 5, 31. As a product: 2 × 5 × 31.
How many factors does 310 have?
310 has 8 factors (4 factor pairs).
What is the sum of the factors of 310?
576.
Is 310 a prime number?
No. It is divisible by 2, so 310 = 2 × 155.