Factors of 2979

3, 331. As a product: 3^2 × 331.

The factors of 2979 are 1, 3, 9, 331, 993, 2979. It has 6 factors.

Factors of 2979

Pick any whole number from 1 to 10,000.

2979 = 3^{2} \times 331

How to work it out

1
A factor of 2979 is a whole number that divides it with nothing left over. You only need to test the numbers up to √2979 ≈ 54.58; 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.
$2979 = 3^{2} \times 331$
4
Add all the factors: 1 + 3 + 9 + 331 + 993 + 2979 = 4316. Without 2979 itself that is 1337, so 2979 is a deficient number.

LaTeX source of the formulas on this page

\[ 2979 = 3^{2} \times 331 \]

What are the factors of 2979?

The factors of 2979 are 1, 3, 9, 331, 993, 2979. It has 6 factors.

What are the prime factors of 2979?

3, 331. As a product: $3^{2}$ × 331.

How many factors does 2979 have?

2979 has 6 factors (3 factor pairs).

What is the sum of the factors of 2979?

4316.

Is 2979 a prime number?

No. It is divisible by 3, so 2979 = 3 × 993.