Is 187 a prime number?

No, 187 is composite. It is divisible by 11 and 17.

Factors of 187

The factors of 187 are 1, 11, 17 and 187. That is 4 factors in total.

A factor of 187 is a whole number that divides 187 exactly, with no remainder. 187 is a composite number because it has factors other than 1 and itself.

Factor pairs of 187

Two numbers that multiply to give 187:

1 × 187 = 187
11 × 17 = 187

Prime factorization of 187

187 = 11 × 17. The prime factors of 187 are 11 and 17.

Quick facts about 187

Is 187 prime? No.
Even or odd: odd.
Sum of its factors: 1 + 11 + 17 + 187 = 216.

Factors of nearby numbers

Number	Factors
183	1, 3, 61, 183
184	1, 2, 4, 8, 23, 46, 92, 184
185	1, 5, 37, 185
186	1, 2, 3, 6, 31, 62, 93, 186
188	1, 2, 4, 47, 94, 188
189	1, 3, 7, 9, 21, 27, 63, 189
190	1, 2, 5, 10, 19, 38, 95, 190
191	1, 191

More about 187: square root of 187 · 187 in binary.

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