Factors of 153

3, 17. As a product: 3^2 × 17.

The factors of 153 are 1, 3, 9, 17, 51, 153. It has 6 factors.

Factors of 153

Pick any whole number from 1 to 10,000.

153 = 3^{2} \times 17

How to work it out

1
A factor of 153 is a whole number that divides it with nothing left over. You only need to test the numbers up to √153 ≈ 12.37; 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.
$153 = 3^{2} \times 17$
4
Add all the factors: 1 + 3 + 9 + 17 + 51 + 153 = 234. Without 153 itself that is 81, so 153 is a deficient number.

LaTeX source of the formulas on this page

\[ 153 = 3^{2} \times 17 \]

What are the factors of 153?

The factors of 153 are 1, 3, 9, 17, 51, 153. It has 6 factors.

What are the prime factors of 153?

3, 17. As a product: $3^{2}$ × 17.

How many factors does 153 have?

153 has 6 factors (3 factor pairs).

What is the sum of the factors of 153?

234.

Is 153 a prime number?

No. It is divisible by 3, so 153 = 3 × 51.