Question

Explain why 3×5×7×11+11is a composite number

Answer 1

Answer:

product of prime numbers is always composite numbers. now since 3*5*7 gives 105 and 7*11 gives 77 and now the sum of composite numbers gives a composite number. now 105+77=182 which is a composite number

hope it helps you buddy

:)

plzz mark my answer as a brainliest one

Answer 2

Answer:

3×5×7×21+11=2205+11=2216

as composite number is that which have more than two factor hence 2216 has factors like 2,1,4,8,2216 etc . it has more than two factor hence it is a composite number