3 ×12×101+4 is a prime or a composite no.?explain.
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40×101
4040 so it is a prime no...
4040 so it is a prime no...
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3×12×101+4=36×101+4=(909+1)×4=910×4
since the no. has more than 2 factpr it is a composite number
since the no. has more than 2 factpr it is a composite number
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