Factors of 279

3, 31. As a product: 3^2 × 31.

The factors of 279 are 1, 3, 9, 31, 93, 279. It has 6 factors.

Factors of 279

Pick any whole number from 1 to 10,000.

279 = 3^{2} \times 31

How to work it out

1
A factor of 279 is a whole number that divides it with nothing left over. You only need to test the numbers up to √279 ≈ 16.70; 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.
$279 = 3^{2} \times 31$
4
Add all the factors: 1 + 3 + 9 + 31 + 93 + 279 = 416. Without 279 itself that is 137, so 279 is a deficient number.

LaTeX source of the formulas on this page

\[ 279 = 3^{2} \times 31 \]

What are the factors of 279?

The factors of 279 are 1, 3, 9, 31, 93, 279. It has 6 factors.

What are the prime factors of 279?

3, 31. As a product: $3^{2}$ × 31.

How many factors does 279 have?

279 has 6 factors (3 factor pairs).

What is the sum of the factors of 279?

416.

Is 279 a prime number?

No. It is divisible by 3, so 279 = 3 × 93.