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Explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are …

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Explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are composite numbers?

Posted by Harman Preet 5 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Sarthak Gupta 5 years, 2 months ago

That is why both no. Are composite

3Thank You

Sarthak Gupta 5 years, 2 months ago

Numbers are of two types - prime and composite. Prime numbers can be divided by 1 and only itself, whereas composite numbers have factors other than 1 and itself. It can be observed that = = = The given expression has 6 and 13 as its factors other than 1 and number itself. Therefore, it is a composite number. = = = 1009 cannot be factorized further Therefore, the given expression has 5 and 1009 as its factors other than 1 and number itself. Hence, it is a composite number.

1Thank You

Saleem Shaikh 5 years, 2 months ago

,xdhh

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