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7 ×11 × 13 + 7 is a composite number or a prime number

Posted by Suryansh Singh 6 years, 10 months ago

CBSE > Class 10 > Mathematics

3 answers

Farhat Shaikh Shaikh 6 years, 10 months ago

Composit number because composit x composit = composit . Also primr x composit = composit

Abhinav Kumar 6 years, 10 months ago

7×11×13+7=7(1×11×13+1) 7(243+1) 7×244 7×2×2×61 It has more than two factor so it is a composite number

Rakesh Vyas 6 years, 10 months ago

7×11×13+7=7(11×13+1)=7×144 Therefore the given number is product of 7 and 144 . So it's a composite number.

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