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A Prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 171 are 1, 3, 9, 19, 57, and 171. Therefore, 171 is a composite number.
It is a prime number, because there is no other factors apart from 1 and itself, which is 171.
171 is a composite number. The prime factors for 171 are 3, 3, and 19.

3 x 3 x 19 = 171

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โˆ™ 2018-01-30 11:47:41
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โˆ™ 2015-09-09 19:21:45

19 x 9 = 171

so it is a composite number

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โˆ™ 2011-07-09 21:56:46

It is composite, it is divisible by 3.

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Q: Is 171 a prime number or a composite?
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