28
LCM for 28 and 7 is 28.
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The least common multiple of 2, 4, and 7 is 28. Two is a factor of 4, so we can ignore it, and 7 is prime, so the LCM is 4 x 7 = 28.
The LCM of 4 and 7 is 28 because...4x7=28 and anything under 28 wouldn't work
The LCM is: 28
Well, isn't that a happy little question! To find the Least Common Multiple (LCM) of 7, 8, and 28, we look for the smallest number that all three numbers can divide into evenly. The LCM of 7, 8, and 28 is 56. Just like adding a touch of titanium white to a painting, finding the LCM brings harmony and balance to our numbers.
GCF is 7. LCM is 420