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What is the Least Common Multiple of 78919 and 78938?

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 78919 and 78938 is 6229708022.

LCM(78919,78938) = 6229708022

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Least Common Multiple of 78919 and 78938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78919 and 78938, than apply into the LCM equation.

GCF(78919,78938) = 1
LCM(78919,78938) = ( 78919 × 78938) / 1
LCM(78919,78938) = 6229708022 / 1
LCM(78919,78938) = 6229708022

Least Common Multiple (LCM) of 78919 and 78938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78919 and 78938. First we will calculate the prime factors of 78919 and 78938.

Prime Factorization of 78919

Prime factors of 78919 are 78919. Prime factorization of 78919 in exponential form is:

78919 = 789191

Prime Factorization of 78938

Prime factors of 78938 are 2, 29, 1361. Prime factorization of 78938 in exponential form is:

78938 = 21 × 291 × 13611

Now multiplying the highest exponent prime factors to calculate the LCM of 78919 and 78938.

LCM(78919,78938) = 789191 × 21 × 291 × 13611
LCM(78919,78938) = 6229708022