Prime factor each one.
70= 2x5x7
198=2x3x3x11
Multiply the common factors that appear the most it appears in either number.
2x3x3x5x7x11=6930
The LCM of these numbers is 198. LCM is Least Common Multiple.
The LCM is 198.
The LCM is 1188.
The LCM is 990.
The LCM is 198.
The LCM of 36, 198 is 396.
LCM of 198 and 153 is 3366.
The LCM of 154 and 198 is 1386.
The LCM is 198.
The LCM is 198.
The LCM is 198.
The LCM is 198.