Question

Explain why the numbers 8x7x6x5x4 +5X4 and 11×13×15+11 are
composite numbes




please fast​

Answer 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.

Step-by-step explanation:

Just an example.............