5, 10, 15, 20, 25, 30, 35, 40
first do 20 times 20 then double the answer
Usually multiplication. 3/4 of 20 = 3/4 x 20 = 15
The greatest common factor of 15 and 20 is 5.
60 is the lowest common multiple of 20 and 15.
The common factor of 15, 16, and 20 is just 1
the least common multiple of the numbers 20 and 15 is 60.
The Least Common Multiple (LCM) for 15 20 is 60.
Anything in the 20 times table.
The Least Common Multiple (LCM) for 15 20 120 is 120.
The greatest common factor of 15, 20, and 25 is 5.
The least common multiple of 12, 20, and 15 is 60.