Factors of 724

2, 181. As a product: 2^2 × 181.

The factors of 724 are 1, 2, 4, 181, 362, 724. It has 6 factors.

Factors of 724

Pick any whole number from 1 to 10,000.

724 = 2^{2} \times 181

How to work it out

1
A factor of 724 is a whole number that divides it with nothing left over. You only need to test the numbers up to √724 ≈ 26.91; 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.
$724 = 2^{2} \times 181$
4
Add all the factors: 1 + 2 + 4 + 181 + 362 + 724 = 1274. Without 724 itself that is 550, so 724 is a deficient number.

LaTeX source of the formulas on this page

\[ 724 = 2^{2} \times 181 \]

What are the factors of 724?

The factors of 724 are 1, 2, 4, 181, 362, 724. It has 6 factors.

What are the prime factors of 724?

2, 181. As a product: $2^{2}$ × 181.

How many factors does 724 have?

724 has 6 factors (3 factor pairs).

What is the sum of the factors of 724?

1274.

Is 724 a prime number?

No. It is divisible by 2, so 724 = 2 × 362.