Question

Explain whether 3 x 12 x 101 + 4 is a p
rime number or a composite number

Answer 1

=(3*12)*(101+4)

=32*105=(32*100)+(32*5)

=3200+160

=3360

3360 is a composite number

Answer 2

3×12×101+4=4(3×3×101+1)=4(909+1)=4×910

Since the number has more than two factors (e.g.-4,910,1), therefore it is a composite number.

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