Is 108 a prime number?

No, 108 is composite. It is divisible by 2, 3, 4, 6, 9, 12, 18, 27, 36 and 54.

Factors of 108

The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54 and 108. That is 12 factors in total.

A factor of 108 is a whole number that divides 108 exactly, with no remainder. 108 is a composite number because it has factors other than 1 and itself.

Factor pairs of 108

Two numbers that multiply to give 108:

1 × 108 = 108
2 × 54 = 108
3 × 36 = 108
4 × 27 = 108
6 × 18 = 108
9 × 12 = 108

Prime factorization of 108

108 = 2 × 2 × 3 × 3 × 3 = 2² × 3³. The prime factors of 108 are 2 and 3.

Quick facts about 108

Is 108 prime? No.
Even or odd: even.
Sum of its factors: 1 + 2 + 3 + 4 + 6 + 9 + 12 + 18 + 27 + 36 + 54 + 108 = 280.

Factors of nearby numbers

Number	Factors
104	1, 2, 4, 8, 13, 26, 52, 104
105	1, 3, 5, 7, 15, 21, 35, 105
106	1, 2, 53, 106
107	1, 107
109	1, 109
110	1, 2, 5, 10, 11, 22, 55, 110
111	1, 3, 37, 111
112	1, 2, 4, 7, 8, 14, 16, 28, 56, 112

More about 108: 108 squared · square root of 108 · 108 in binary · 108 in Roman numerals.

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