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2×3×15+7 is composite or prime number.justify …

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2×3×15+7 is composite or prime number.justify your answer

Posted by Suyash Kumar 6 years, 9 months ago

CBSE > Class 10 > Mathematics

3 answers

Yogita Ingle 6 years, 9 months ago

2×3×15+7 = 6 ×15+7 = 90 + 7 = 97
97 is a prime number
So, 2×3×15+7 is prime number

?D? ??Wish Me At 12Pm...?? 6 years, 9 months ago

Because it has more than two factors ,therefore it is composite no.

अनुराग त्रिपाठी??? 6 years, 9 months ago

90 is a composite no. as it has factors other than 1

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