Factors of 722

2, 19. As a product: 2 × 19^2.

The factors of 722 are 1, 2, 19, 38, 361, 722. It has 6 factors.

Factors of 722

Pick any whole number from 1 to 10,000.

722 = 2 \times 19^{2}

How to work it out

1
A factor of 722 is a whole number that divides it with nothing left over. You only need to test the numbers up to √722 ≈ 26.87; 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.
$722 = 2 \times 19^{2}$
4
Add all the factors: 1 + 2 + 19 + 38 + 361 + 722 = 1143. Without 722 itself that is 421, so 722 is a deficient number.

LaTeX source of the formulas on this page

\[ 722 = 2 \times 19^{2} \]

What are the factors of 722?

The factors of 722 are 1, 2, 19, 38, 361, 722. It has 6 factors.

What are the prime factors of 722?

2, 19. As a product: 2 × $19^{2}$ .

How many factors does 722 have?

722 has 6 factors (3 factor pairs).

What is the sum of the factors of 722?

1143.

Is 722 a prime number?

No. It is divisible by 2, so 722 = 2 × 361.