Question

explain why 7×11×13+13 and7×6×5×4×3×2×1+5 are composite numbers​

Answer 1

Answer:

The value 7×11×13+13=1014 and 7×6×5×4×3×2×1+5=5045 have more than two factors i.e. 1 and itself therefore they are composite numbers.

The number having more than two factors i.e. 1 and the number itself is called "COMPOSITE NUMBER."