Question

is 7x6x5x4x3x2x1+5 is composite number?justify your answer.

Answer 1

According to given sum,

7×6×5×4×3×2×1+5

=> 5 (7×6×4×3×2×1+1)

=> 5 (1009)

so if any number is expressed as product of two numbers. then it is known as composite number.

The above number is expressed as product of 5 &1009 .

Hence it is a composite number.

:-)Hope it helps u.

Answer 2

Answer:

if 7×5×3×2+3 is a composite number? justify your answer