Math, asked by adityaphad7, 1 year ago

Explain why 7×11×13+13 is a composite number???..............

Answers

Answered by jayapundir29

Heya ...

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7 x 11 x 13 + 13

= 13 ( 7 x 11 + 1)

= 13 ( 77 + 1)

= 13 x 78

As,

this number have 13 and 78 as common its factor.

So, this number is a composite number.

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