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6. Explain why 7× 11 ×13 +13 and 7×6× 5× 4× 3× 2 + 5 are composite numbers . |
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Answer» Hey 1) 7 × 11 × 13 + 13 13(7×11×1 + 1) 13(77+1) 13(78) Therefore it is a composite NUMBER 2) 7 × 6 × 5 × 4 × 3 × 2 +5 5(7×6×1×4×3×2 + 1) 5(42×24+1) 5(1009) Therefore it is a composite number |
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