SOLUTION: Find the least common multiple (LCM) for each of the following groups of numbers. Use whichever method you wish. 12, 20 and 35

Algebra ->  Trigonometry-basics -> SOLUTION: Find the least common multiple (LCM) for each of the following groups of numbers. Use whichever method you wish. 12, 20 and 35       Log On


   

Question 108065: Find the least common multiple (LCM) for each of the following groups of numbers. Use whichever method you wish.
12, 20 and 35
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
12+=+2%2A2%2A3=2%5E2%2A3%5E1
20+=+2%2A2%2A5=2%5E2%2A5%5E1
35=5%2A7=5%5E1%2A7%5E1
Prime factors are 2,3,5,7 with highest powers of 2,1,1,1 respectively.
LCM+=2%5E2%2A3%5E1%2A5%5E1%2A7%5E1
LCM=420