## If positive integer $$N=A-B,$$ where $$A$$ is a positive integer and $$B$$ is a prime number, is $$N$$ odd?

##### This topic has expert replies
Moderator
Posts: 1453
Joined: 29 Oct 2017
Thanked: 1 times
Followed by:5 members

### If positive integer $$N=A-B,$$ where $$A$$ is a positive integer and $$B$$ is a prime number, is $$N$$ odd?

by M7MBA » Sun Jan 17, 2021 9:44 am

00:00

A

B

C

D

E

## Global Stats

If positive integer $$N=A-B,$$ where $$A$$ is a positive integer and $$B$$ is a prime number, is $$N$$ odd?

(1) $$B$$ and $$X$$ are the only prime factors of $$A$$, and $$B-X=4$$

(2) $$A$$ is divisible by 9 numbers in total, one of which is $$B^2$$