Factors of 135

The factors of 135 are 1, 3, 5, 9, 15, 27, 45, 135. It has 8 factors.

Factors of 135

Pick any whole number from 1 to 10,000.

135 = 3^{3} \times 5

How to work it out

1
A factor of 135 is a whole number that divides it with nothing left over. You only need to test the numbers up to √135 ≈ 11.62; 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.
$135 = 3^{3} \times 5$
4
Add all the factors: 1 + 3 + 5 + 9 + 15 + 27 + 45 + 135 = 240. Without 135 itself that is 105, so 135 is a deficient number.

LaTeX source of the formulas on this page

\[ 135 = 3^{3} \times 5 \]

What are the factors of 135?

The factors of 135 are 1, 3, 5, 9, 15, 27, 45, 135. It has 8 factors.

What are the prime factors of 135?

3, 5. As a product: $3^{3}$ × 5.

How many factors does 135 have?

135 has 8 factors (4 factor pairs).

What is the sum of the factors of 135?

240.

Is 135 a prime number?

No. It is divisible by 3, so 135 = 3 × 45.