What is the Least Common Multiple of 77961 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 of 77961 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 77961 and 77979, than apply into the LCM equation.

GCF(77961,77979) = 3
LCM(77961,77979) = ( 77961 × 77979) / 3
LCM(77961,77979) = 6079320819 / 3
LCM(77961,77979) = 2026440273

Least Common Multiple (LCM) of 77961 and 77979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77961 and 77979. First we will calculate the prime factors of 77961 and 77979.

Prime Factorization of 77961

Prime Factorization of 77979

Now multiplying the highest exponent prime factors to calculate the LCM of 77961 and 77979.

LCM(77961,77979) = 3¹ × 13¹ × 1999¹ × 11¹ × 17¹ × 139¹
LCM(77961,77979) = 2026440273