No because 221 is a composite number having more than two factors.
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No it is not a prime number, because you can multiply 13 and 17 together and get 221 13x17=221
No, 221 is the product of 13 and 17.
13*17 = 221
221 is a composite number having the factors 1, 13, 17, and 221.
It isn't one.