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What is the Least Common Multiple of 13919 and 13938?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 13919 and 13938 is 194003022.

LCM(13919,13938) = 194003022

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Least Common Multiple of 13919 and 13938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13919 and 13938, than apply into the LCM equation.

GCF(13919,13938) = 1
LCM(13919,13938) = ( 13919 × 13938) / 1
LCM(13919,13938) = 194003022 / 1
LCM(13919,13938) = 194003022

Least Common Multiple (LCM) of 13919 and 13938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13919 and 13938. First we will calculate the prime factors of 13919 and 13938.

Prime Factorization of 13919

Prime factors of 13919 are 31, 449. Prime factorization of 13919 in exponential form is:

13919 = 311 × 4491

Prime Factorization of 13938

Prime factors of 13938 are 2, 3, 23, 101. Prime factorization of 13938 in exponential form is:

13938 = 21 × 31 × 231 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 13919 and 13938.

LCM(13919,13938) = 311 × 4491 × 21 × 31 × 231 × 1011
LCM(13919,13938) = 194003022