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A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.

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Q: Why 187 not a prime number?

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187 is a prime nuumber!

187 is a composite number

nope it isn't : 11 x 17 = 187.No, 187 is not a prime number. 11 times 17 equals 187. Both are prime numbers, so the prime factorization of 187 is 11 X 17.

187 is divisible by 11 and so it cannot be prime.

187 = 11 * 17 (prime factors)

No

A prime number is a number that is only evenly divisible by 1 and itself, since 11 and 17 both divide equally (no remainder) into 187 - it is not prime.

187 is a composite number. A prime number has exactly 2 factors, 1 and the number itself. 187 has 4 factors, 1, 11, 17, and 187, so 187 is a composite.

They are 11 times 17 = 187

Because it is not divisible by any other number.

187 will have the same number of factors no matter what you do to it.

No. 187=11x17

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