Math, asked by sunidisingh145, 5 months ago

Explain why (7 x 6 x 5 x 4 x3x221)+3 is a composite?

Answers

Answered by nandy1010101

1

Answer:

Given 7×11×13+13

=13×(7×11+1)=3×78

This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.

similarly in

7×6×5×4×3 ×2×1+5

=5(7×6×4×3 ×2×1+1)=5×1009

This number is multiple of two integers.Hence it has more than two factors.Hence it is a composite number.

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