How do you find the least common multiple of 10 and 12?

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Annie Share
Nov 17, 2016

Answer:

60

Explanation:

The multiples of 10 are 10,20,30,40,50,60,70 etc.
The multiples of 12 are 12,24,36, 48, 60
The smallest number which is a multiple of both 10 and 12 is 60

Or express both numbers in prime factor form:
10 =2x5
12=2x2x3
2 is common to both so the LCM is 2x2x3x5=60

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