Question

Explain why 7×6×5×4+5 is a composite no

Answer 1

Answer:

Step-by-step explanation:

there are two types of number prime and composite

if you solve the question your would be 845

845 is not prime since it has other divisors like 5 etc along with 845 and 1

thus it is composite

Answer 2

Similarly, 7×6×5×4+5 can be written as 5x{(7x6x4)+1}, i.e. 5x(169). So, other than the number and 1, it have 5 and 169 as it's factors too. So it is  a composite number.