which of the following is not a prime number a ) 23 b) 29 c) 43 d) 21
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Answered by
1
Answer:
Hey mate.....Gm
21 is not a prime no. as it is divisible by 3 and 7
Hope this helps you....
Mark as brainlist please
Answered by
0
Answer:
21 not a prime number.
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