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Earn +20 ptsQ: Why is 221 not a prime number?
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What are the factors and prime factors of 221?
The prime factors of 221 are 13 and 17. 13 x 17 = 221. The factors of 221 are 1, 13, 17, and 221.
Is 221 prime?
No, 13*17=221, therefore it is not.
Is 221 a prime?
No.
What is the least prime factor of 221?
13
What times what equals 221?
Well, darling, 13 times 17 equals 221. So there you have it, simple math for a simple question. Hope that clears things up for you!
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