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What is the Least Common Multiple of 76931 and 76939?

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 76931 and 76939 is 5918994209.

LCM(76931,76939) = 5918994209

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Least Common Multiple of 76931 and 76939 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76931 and 76939, than apply into the LCM equation.

GCF(76931,76939) = 1
LCM(76931,76939) = ( 76931 × 76939) / 1
LCM(76931,76939) = 5918994209 / 1
LCM(76931,76939) = 5918994209

Least Common Multiple (LCM) of 76931 and 76939 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76931 and 76939. First we will calculate the prime factors of 76931 and 76939.

Prime Factorization of 76931

Prime factors of 76931 are 19, 4049. Prime factorization of 76931 in exponential form is:

76931 = 191 × 40491

Prime Factorization of 76939

Prime factors of 76939 are 47, 1637. Prime factorization of 76939 in exponential form is:

76939 = 471 × 16371

Now multiplying the highest exponent prime factors to calculate the LCM of 76931 and 76939.

LCM(76931,76939) = 191 × 40491 × 471 × 16371
LCM(76931,76939) = 5918994209