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What Is The Lcm Of 75 And 100?

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The LCM of two numbers is their product divided by the GCD (or GCF).
 
Factoring each gives:
75 = 3*5*5 = 3* 5^2
100 = 2*2*5*5 = 2^2*5^2
 
The GCD is 5*5, or 25.  The product of 75 and 100 (75 x 100) = 7500.
Taking 7500/25, we get 300 as the LCM.
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Anonymous answered
75(3,5,15,25,75)   100(1,2,5,10,20,50,100)   So the lcm is 5

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