Factors of 180

The factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90 and 180. That is 18 factors in total.

A factor of 180 is a whole number that divides 180 exactly, with no remainder. 180 is a composite number because it has factors other than 1 and itself.

Factor pairs of 180

Two numbers that multiply to give 180:

1 × 180 = 180
2 × 90 = 180
3 × 60 = 180
4 × 45 = 180
5 × 36 = 180
6 × 30 = 180
9 × 20 = 180
10 × 18 = 180
12 × 15 = 180

Prime factorization of 180

180 = 2 × 2 × 3 × 3 × 5 = 2² × 3² × 5. The prime factors of 180 are 2, 3 and 5.

Quick facts about 180

Is 180 prime? No.
Even or odd: even.
Sum of its factors: 1 + 2 + 3 + 4 + 5 + 6 + 9 + 10 + 12 + 15 + 18 + 20 + 30 + 36 + 45 + 60 + 90 + 180 = 546.

Factors of nearby numbers

Number	Factors
176	1, 2, 4, 8, 11, 16, 22, 44, 88, 176
177	1, 3, 59, 177
178	1, 2, 89, 178
179	1, 179
181	1, 181
182	1, 2, 7, 13, 14, 26, 91, 182
183	1, 3, 61, 183
184	1, 2, 4, 8, 23, 46, 92, 184

More about 180: square root of 180 · 180 in binary.

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