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What is the Least Common Multiple of 77979 and 77997?

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 77979 and 77997 is 2027376021.

LCM(77979,77997) = 2027376021

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Least Common Multiple of 77979 and 77997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77979 and 77997, than apply into the LCM equation.

GCF(77979,77997) = 3
LCM(77979,77997) = ( 77979 × 77997) / 3
LCM(77979,77997) = 6082128063 / 3
LCM(77979,77997) = 2027376021

Least Common Multiple (LCM) of 77979 and 77997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77979 and 77997. First we will calculate the prime factors of 77979 and 77997.

Prime Factorization of 77979

Prime factors of 77979 are 3, 11, 17, 139. Prime factorization of 77979 in exponential form is:

77979 = 31 × 111 × 171 × 1391

Prime Factorization of 77997

Prime factors of 77997 are 3, 25999. Prime factorization of 77997 in exponential form is:

77997 = 31 × 259991

Now multiplying the highest exponent prime factors to calculate the LCM of 77979 and 77997.

LCM(77979,77997) = 31 × 111 × 171 × 1391 × 259991
LCM(77979,77997) = 2027376021