Q: Why isn't 187 a prime number?

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187 is a prime nuumber!

187 is a composite number

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.

Composite

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187 is a prime nuumber!

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 a composite number

No

Composite

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.

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.

39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.