Question

is 7× 6 × 5 × 4 × 3 × 2 × 1+ 3 a composite number? Justify your answer.

Answer 1

Step-by-step explanation:

7× 6 × 5 × 4 × 3 × 2 × 1+ 5

= 5040 +5=5045

= 5045 = 5×1009

We know that a number is called a composite number if it has at least one factor other than 1 and the number itself.

Here, 5045 is the product of  2 prime factors 5 and 1009 .

Hence,7× 6 × 5 × 4 × 3 × 2 × 1+ 5 is  a composite number.