Question

if 7⁵ × 3² × 5 + 3 is composite number? justify your answer​

Answer 1

A composite has more than two factors other than itself.

7⁵ × 3² × 5 +3

7⁵ × 3² × 5 +3=3(7⁵ × 2 + 1) = 3(70 + 1)= 3 and 71

The given number has two factors 3 and 71.

∴ It is a composite number.

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