Question 53153: Can someone help me on this?
I need to find the LCM for 4 and 20. (Least common multiples)
Thanks,
Ashley
Answer by morrislsmith(4)   (Show Source):
You can put this solution on YOUR website! Factors of 4: 2,2
Factors of 20: 2,2,5.
Highlight common factors:
4: 2,2
20: 2,2,5
Common factors: 2,2
The product of these common factors is:2*2=4.
This number, 4, is your greatest common factor:
Greatest Common Factor( 4, 20 ) = 4.
The product of 4 and 20, divided by the GCF 4, is .
So, 20 is the least common multiple of 4 and 20.
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