Factors of 1625

5, 13. As a product: 5^3 × 13.

The factors of 1625 are 1, 5, 13, 25, 65, 125, 325, 1625. It has 8 factors.

Factors of 1625

Pick any whole number from 1 to 10,000.

1625 = 5^{3} \times 13

How to work it out

1
A factor of 1625 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1625 ≈ 40.31; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 8 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1625 = 5^{3} \times 13$
4
Add all the factors: 1 + 5 + 13 + 25 + 65 + 125 + 325 + 1625 = 2184. Without 1625 itself that is 559, so 1625 is a deficient number.

LaTeX source of the formulas on this page

\[ 1625 = 5^{3} \times 13 \]

What are the factors of 1625?

The factors of 1625 are 1, 5, 13, 25, 65, 125, 325, 1625. It has 8 factors.

What are the prime factors of 1625?

5, 13. As a product: $5^{3}$ × 13.

How many factors does 1625 have?

1625 has 8 factors (4 factor pairs).

What is the sum of the factors of 1625?

2184.

Is 1625 a prime number?

No. It is divisible by 5, so 1625 = 5 × 325.