Factors of 159

The factors of 159 are 1, 3, 53, 159. It has 4 factors.

Factors of 159

Pick any whole number from 1 to 10,000.

159 = 3 \times 53

How to work it out

1
A factor of 159 is a whole number that divides it with nothing left over. You only need to test the numbers up to √159 ≈ 12.61; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 4 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$159 = 3 \times 53$
4
Add all the factors: 1 + 3 + 53 + 159 = 216. Without 159 itself that is 57, so 159 is a deficient number.

LaTeX source of the formulas on this page

\[ 159 = 3 \times 53 \]

Factor	Pairs with	Product
1	159	1 × 159 = 159
3	53	3 × 53 = 159

What are the factors of 159?

The factors of 159 are 1, 3, 53, 159. It has 4 factors.

What are the prime factors of 159?

3, 53. As a product: 3 × 53.

How many factors does 159 have?

159 has 4 factors (2 factor pairs).

What is the sum of the factors of 159?

216.

Is 159 a prime number?

No. It is divisible by 3, so 159 = 3 × 53.