LCM for 4, 8 and 14

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What's the Least Common Multiple (LCM) of 4, 8 and 14?

Answer

LCM of 4, 8 and 14 is
56

First common multiples: 56, 112, 168, …

56 is divisible by all three: 56 ÷ 4 = 14, 56 ÷ 8 = 7, 56 ÷ 14 = 4 — and 14, 7 and 4 have no factor but 1 common to all of them, so no smaller number is. As a common denominator: multiply the top and bottom of x/4 by 14 and of y/8 by 7 and of z/14 by 4.

4 = 22

8 = 23

14 = 2 × 7

Prime4814Highest power
22223223
7——77

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 23 × 7 = 56

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LCM Table

1st2nd3rdLCM
1488
2488
34824
4488
45840
46824
47856
4888
48972
481040
481188
481224
4813104
481456
4815120
481616
4817136
481872
4819152
482040
4821168
482288
4823184
482424
4825200
4826104
4827216
482856
4829232
4830120

FAQ

What's the Least Common Multiple (LCM) of 4, 8 and 14?

LCM of 4, 8 and 14 is 56

How to find the LCM of 4, 8 and 14 by prime factorization?

Take every prime that appears in 4, 8 and 14 to the highest power it reaches in any one of them and multiply: 2³ × 7 = 56.

Can you get the LCM of 4, 8 and 14 two numbers at a time?

Yes. The LCM of 4 and 8 is 8, and the LCM of 8 and 14 is 56 — the same answer, because the least common multiple is associative and does not depend on the order of the three numbers.

Is 56 divisible by 4, 8 and 14?

Yes, and by definition it is the smallest positive integer that is: 56 ÷ 4, 56 ÷ 8 and 56 ÷ 14 all come out whole. Any other common multiple of 4, 8 and 14 is a multiple of 56.

See Also