Factors of 356

2, 89. As a product: 2^2 × 89.

The factors of 356 are 1, 2, 4, 89, 178, 356. It has 6 factors.

Factors of 356

Pick any whole number from 1 to 10,000.

356 = 2^{2} \times 89

How to work it out

1
A factor of 356 is a whole number that divides it with nothing left over. You only need to test the numbers up to √356 ≈ 18.87; 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.
$356 = 2^{2} \times 89$
4
Add all the factors: 1 + 2 + 4 + 89 + 178 + 356 = 630. Without 356 itself that is 274, so 356 is a deficient number.

LaTeX source of the formulas on this page

\[ 356 = 2^{2} \times 89 \]

What are the factors of 356?

The factors of 356 are 1, 2, 4, 89, 178, 356. It has 6 factors.

What are the prime factors of 356?

2, 89. As a product: $2^{2}$ × 89.

How many factors does 356 have?

356 has 6 factors (3 factor pairs).

What is the sum of the factors of 356?

630.

Is 356 a prime number?

No. It is divisible by 2, so 356 = 2 × 178.