Question

7 × 6 × 5 × 4 + 7 is a a) Prime number b) Composite number c) Neither prime nor composite d) None of the above

Answer 1

Answer:

7*6*5*4=840

7*6*5*4+7=847

847 is divisible by 7

847 is divisible by 11

so it is not a prime number

847 is a composite number...

I hope you understand well.