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2×3×15+7 is composite or prime number.justify your answer |
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Answer» 2×3×15+7 = 6 ×15+7 = 90 + 7 = 9797 is a prime numberSo, 2×3×15+7 is prime number Because it has more than two factors ,therefore it is composite no. 90 is a composite no. as it has factors other than 1 |
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