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What is the Least Common Multiple of 77960 and 77979?

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 77960 and 77979 is 6079242840.

LCM(77960,77979) = 6079242840

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Least Common Multiple of 77960 and 77979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77960 and 77979, than apply into the LCM equation.

GCF(77960,77979) = 1
LCM(77960,77979) = ( 77960 × 77979) / 1
LCM(77960,77979) = 6079242840 / 1
LCM(77960,77979) = 6079242840

Least Common Multiple (LCM) of 77960 and 77979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77960 and 77979. First we will calculate the prime factors of 77960 and 77979.

Prime Factorization of 77960

Prime factors of 77960 are 2, 5, 1949. Prime factorization of 77960 in exponential form is:

77960 = 23 × 51 × 19491

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

Now multiplying the highest exponent prime factors to calculate the LCM of 77960 and 77979.

LCM(77960,77979) = 23 × 51 × 19491 × 31 × 111 × 171 × 1391
LCM(77960,77979) = 6079242840