Question

Explain why 7*11*13+13 and 7*6*5*4*3*2*1+5 are composite numbers ​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

7×11×13+13

=13(77+1)

=13×78

7×6×5×4×3×2×1+5

=5(7×6×1×4×2×3×1+1)

= 5×1009

both the number are composite aa composite number has other factors than one and itself.