Is 159 a prime number?

No, 159 is composite. It is divisible by 3 and 53.

Factors of 159

The factors of 159 are 1, 3, 53 and 159. That is 4 factors in total.

A factor of 159 is a whole number that divides 159 exactly, with no remainder. 159 is a composite number because it has factors other than 1 and itself.

Factor pairs of 159

Two numbers that multiply to give 159:

1 × 159 = 159
3 × 53 = 159

Prime factorization of 159

159 = 3 × 53. The prime factors of 159 are 3 and 53.

Quick facts about 159

Is 159 prime? No.
Even or odd: odd.
Sum of its factors: 1 + 3 + 53 + 159 = 216.

Factors of nearby numbers

Number	Factors
155	1, 5, 31, 155
156	1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
157	1, 157
158	1, 2, 79, 158
160	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
161	1, 7, 23, 161
162	1, 2, 3, 6, 9, 18, 27, 54, 81, 162
163	1, 163

More about 159: square root of 159 · 159 in binary.

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