Factors of 425

5, 17. As a product: 5^2 × 17.

The factors of 425 are 1, 5, 17, 25, 85, 425. It has 6 factors.

Factors of 425

Pick any whole number from 1 to 10,000.

425 = 5^{2} \times 17

How to work it out

1
A factor of 425 is a whole number that divides it with nothing left over. You only need to test the numbers up to √425 ≈ 20.62; 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.
$425 = 5^{2} \times 17$
4
Add all the factors: 1 + 5 + 17 + 25 + 85 + 425 = 558. Without 425 itself that is 133, so 425 is a deficient number.

LaTeX source of the formulas on this page

\[ 425 = 5^{2} \times 17 \]

What are the factors of 425?

The factors of 425 are 1, 5, 17, 25, 85, 425. It has 6 factors.

What are the prime factors of 425?

5, 17. As a product: $5^{2}$ × 17.

How many factors does 425 have?

425 has 6 factors (3 factor pairs).

What is the sum of the factors of 425?

558.

Is 425 a prime number?

No. It is divisible by 5, so 425 = 5 × 85.