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What is the Least Common Multiple of 38919 and 38930?

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 38919 and 38930 is 1515116670.

LCM(38919,38930) = 1515116670

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Least Common Multiple of 38919 and 38930 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38919 and 38930, than apply into the LCM equation.

GCF(38919,38930) = 1
LCM(38919,38930) = ( 38919 × 38930) / 1
LCM(38919,38930) = 1515116670 / 1
LCM(38919,38930) = 1515116670

Least Common Multiple (LCM) of 38919 and 38930 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38919 and 38930. First we will calculate the prime factors of 38919 and 38930.

Prime Factorization of 38919

Prime factors of 38919 are 3, 12973. Prime factorization of 38919 in exponential form is:

38919 = 31 × 129731

Prime Factorization of 38930

Prime factors of 38930 are 2, 5, 17, 229. Prime factorization of 38930 in exponential form is:

38930 = 21 × 51 × 171 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 38919 and 38930.

LCM(38919,38930) = 31 × 129731 × 21 × 51 × 171 × 2291
LCM(38919,38930) = 1515116670