What is the Least Common Multiple of 77370 and 77378?

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 77370 and 77378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77370 and 77378, than apply into the LCM equation.

GCF(77370,77378) = 2
LCM(77370,77378) = ( 77370 × 77378) / 2
LCM(77370,77378) = 5986735860 / 2
LCM(77370,77378) = 2993367930

Least Common Multiple (LCM) of 77370 and 77378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77370 and 77378. First we will calculate the prime factors of 77370 and 77378.

Prime Factorization of 77370

Prime Factorization of 77378

Now multiplying the highest exponent prime factors to calculate the LCM of 77370 and 77378.

LCM(77370,77378) = 2¹ × 3¹ × 5¹ × 2579¹ × 7¹ × 5527¹
LCM(77370,77378) = 2993367930