Which one of the following is not a prime number?
A.31
B.61
C.71
D.91
Answers
Answered by
10
THE CORRECT ANSWER IS 91
Answered by
10
91 is not a prime number.
Prime number :-
The number which has only two factors 1 and itself.
Factors of 31 = 1, 31
Factors of 61 = 1 , 61
Factors of 71 = 1 , 71
Factors of 91 = 1 , 7 , 13 , 91
So, 91 has more than two factors.
Hence, 91 is not a prime number.
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⭐Hope it helps:-⭐
Prime number :-
The number which has only two factors 1 and itself.
Factors of 31 = 1, 31
Factors of 61 = 1 , 61
Factors of 71 = 1 , 71
Factors of 91 = 1 , 7 , 13 , 91
So, 91 has more than two factors.
Hence, 91 is not a prime number.
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⭐Hope it helps:-⭐
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