explain why3×5×7+7 is a composite number.
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Answered by
2
3 x 5 x 7 +7
=7(3 x 5 x 1+1)
=7 x 16
= 112
so, it is composite number because the factor is more than 1 .
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Answered by
6
Hi friend!!
→ 3 × 5 × 7 + 7
→ 7 (3 × 5 × 1 + 1)
→ 7(15+1)
→ 7(16)
Given number has more than two factors.
A number which has more than two factors is composite number.
Hence, 3 × 5 × 7 + 7 is a composite number.
Hence proved.
Hope it helps
→ 3 × 5 × 7 + 7
→ 7 (3 × 5 × 1 + 1)
→ 7(15+1)
→ 7(16)
Given number has more than two factors.
A number which has more than two factors is composite number.
Hence, 3 × 5 × 7 + 7 is a composite number.
Hence proved.
Hope it helps
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