What is the Least Common Multiple of 77378 and 77391?

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 77378 and 77391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77378 and 77391, than apply into the LCM equation.

GCF(77378,77391) = 1
LCM(77378,77391) = ( 77378 × 77391) / 1
LCM(77378,77391) = 5988360798 / 1
LCM(77378,77391) = 5988360798

Least Common Multiple (LCM) of 77378 and 77391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77378 and 77391. First we will calculate the prime factors of 77378 and 77391.

Prime Factorization of 77378

Prime Factorization of 77391

Now multiplying the highest exponent prime factors to calculate the LCM of 77378 and 77391.

LCM(77378,77391) = 2¹ × 7¹ × 5527¹ × 3² × 8599¹
LCM(77378,77391) = 5988360798