Factors of 316

2, 79. As a product: 2^2 × 79.

The factors of 316 are 1, 2, 4, 79, 158, 316. It has 6 factors.

Factors of 316

Pick any whole number from 1 to 10,000.

316 = 2^{2} \times 79

How to work it out

1
A factor of 316 is a whole number that divides it with nothing left over. You only need to test the numbers up to √316 ≈ 17.78; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$316 = 2^{2} \times 79$
4
Add all the factors: 1 + 2 + 4 + 79 + 158 + 316 = 560. Without 316 itself that is 244, so 316 is a deficient number.

LaTeX source of the formulas on this page

\[ 316 = 2^{2} \times 79 \]

What are the factors of 316?

The factors of 316 are 1, 2, 4, 79, 158, 316. It has 6 factors.

What are the prime factors of 316?

2, 79. As a product: $2^{2}$ × 79.

How many factors does 316 have?

316 has 6 factors (3 factor pairs).

What is the sum of the factors of 316?

560.

Is 316 a prime number?

No. It is divisible by 2, so 316 = 2 × 158.