Is 7 5 3 2 3 a composite number

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Is 7×5×3×2+3 a composite number? Justify your answer

Answered by admin @


7×5×3×2+3 = 3 (70+1) = 3 x 71.

It has two factors 7 & 31 so it can't be prime number.

All factors- 1 , 213 , 3 & 71.

Therefore it is a composite number.


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