Factors of 775

5, 31. As a product: 5^2 × 31.

The factors of 775 are 1, 5, 25, 31, 155, 775. It has 6 factors.

Factors of 775

Pick any whole number from 1 to 10,000.

775 = 5^{2} \times 31

How to work it out

1
A factor of 775 is a whole number that divides it with nothing left over. You only need to test the numbers up to √775 ≈ 27.84; 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.
$775 = 5^{2} \times 31$
4
Add all the factors: 1 + 5 + 25 + 31 + 155 + 775 = 992. Without 775 itself that is 217, so 775 is a deficient number.

LaTeX source of the formulas on this page

\[ 775 = 5^{2} \times 31 \]

What are the factors of 775?

The factors of 775 are 1, 5, 25, 31, 155, 775. It has 6 factors.

What are the prime factors of 775?

5, 31. As a product: $5^{2}$ × 31.

How many factors does 775 have?

775 has 6 factors (3 factor pairs).

What is the sum of the factors of 775?

992.

Is 775 a prime number?

No. It is divisible by 5, so 775 = 5 × 155.