LCM for 19 and 38

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What's the Least Common Multiple (LCM) of 19 and 38?

Answer

LCM of 19 and 38 is
38

First common multiples: 38, 76, 114, …

As a common denominator: multiply the top and bottom of x/19 by 2.

19 divides 38 (38 ÷ 19 = 2), so the LCM is the larger number itself.

19 — prime

38 = 2 × 19

Prime1938Highest power
2—22
19191919

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

LCM = 2 × 19 = 38

See Also

FAQ

What's the Least Common Multiple (LCM) of 19 and 38?

LCM of 19 and 38 is 38

How to find the LCM of 19 and 38 using prime factorization?

To find the LCM of 19 and 38, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 38.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 19 and 38: LCM = 38, GCF = 19.