Question

Prove that 3*7*5*13+13 is a composite number

Answer 1

3×7×5×13 +13

Take 13 common there we get

13 (3×7 x 11 +1 )

13(77 + 1 )

13×(78)

It is product of two numbers and both numbers are more than 1 so it is a composite number

Hope it helps you. Kindly mark it as brainliest.

Answer 2

$\sf \pmb{Answer :}$

3×7×5×13 +13

Take 13 common there we get

13 (3×7 x 11 +1 )

13(77 + 1 )

13×(78)

It is product of two numbers and both numbers are more than 1 so it is a composite number

Hope it helps you. Kindly mark it as brainliest.