Question

5×3×7×7+7 and 10×9×8×7×6×5+5 are composite no.

Answer 1

5*3*7*7+1

7(5*3*1*1)+1

7(15)+1

105+1

=106 , yes it is composite

10*9*8*7*6*5+5

5(10*9*8*7*6*1)+1

5(30240)+1

151200+1

=151201 , yes it is composite

Answer 2

Answer:

Heya.......

Here is your answer......

5×3×7×7+7 = 106

10×9×8×7×6×5+5 = 151205

So both are composite numbers.

Hope it helps you dear

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