Asked by barry

how is GCF and LCM different? im in 4th grade and i tried to understand but my mum said shes not sure so please i need help
Answered by Ms. Sue
GCF = greatest common factor
This is the largest number that goes into two numbers.
Examples:
GCF of 4 and 8 = 4
GCF of 15 and 25 = 5

LCM = least common multiple
This is the smallest multiple of two numbers.
Examples:
LCM of 3 and 5 = 15
LCM of 4 and 10 = 20

Study these sites.

http://www.mathsisfun.com/greatest-common-factor.html

http://www.mathsisfun.com/least-common-multiple.html
Answered by barry
thanks the weebsite is fun
Answered by Ms. Sue
You're welcome.

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