A prime number can only be divided by itself and 1. 4 can be divided by 2 26 can be divided by 2 15 can be divided by 3
4.3333
4.3333
4.3333
Convert the mixed number to an improper fraction, then do the division. 3 and 1/4 = 13/4 13 divided by 4 = 3.25
4.3333
10 divided by 3/4 = 13 and 1/3
169 is the smallest such number.
4.3333
13.75
any number 1 more than a number in the 3 times table i.e 4, 7, 10, 13...
13 - 4 + 15 ÷ 3 =13 - 4 + 5 = 9 + 5 = 14