# Explain why ( 7 × 5 × 3 × 2 + 3 ) is a composite number?

2
(7 x 5 x 3 x 2 + 3)
= 3 (7 x 5 x 2 + 1)
= 3 (71)
as it has to factors 3 and 71 other than 1 and no. itself so its a composite no.
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