Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
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You need at least two numbers to find an LCM.Two or more numbers are needed to find the Lcm
You write down the multiples of those four numbers and find the LCM. EX. 1:1,2,3,4,5,6,7,8,9,10,11,12 2:1,2 3:1,3 4:1,2,3 So the LCM is 2.
To find the LCM: 1. list out the factors of both numbers 2. find the one that is the least example 18: 1 2 3 6 9 18 16: 1 2 4 8 16 2 is the LCM
Find the LCM of the first two numbers and then find the LCM of that number and the third one. That answer will be the LCM of all three.
No. You can only find the LCM of at least two numbers, prime or otherwise. The LCM of any two prime numbers is their product.