Explain why 2 × 3 × 5 + 5 and 5 × 7 × 11 + 7 × 5 are composite numbers.

Explain why 2 × 3 × 5 + 5 and 5 × 7 × 11 + 7 × 5 are composite numbers.
Q21. (2021) Explain why 2 × 3 × 5 + 5 and 5 × 7 ...
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