datonman Senior | Next Rank: 100 Posts View User Profile Posts: 53 Joined: Wed May 28, 2014 9:36 pm Followed by:1 members Factors, multiples, and divisibility by datonman » Fri Dec 04, 2015 10:35 am How many positive integers less than 28 are prime numbers, odd multiples of 5, or the sum of a positive multiple of 2 and a positive multiple of 4? A. 27 B. 25 C. 24 D. 22 E. 20 Top Quote
