What is the Least Common Multiple of 94378 and 94390?

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 94378 and 94390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 94378 and 94390, than apply into the LCM equation.

GCF(94378,94390) = 2
LCM(94378,94390) = ( 94378 × 94390) / 2
LCM(94378,94390) = 8908339420 / 2
LCM(94378,94390) = 4454169710

Least Common Multiple (LCM) of 94378 and 94390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 94378 and 94390. First we will calculate the prime factors of 94378 and 94390.

Prime Factorization of 94378

Prime Factorization of 94390

Now multiplying the highest exponent prime factors to calculate the LCM of 94378 and 94390.

LCM(94378,94390) = 2¹ × 47189¹ × 5¹ × 9439¹
LCM(94378,94390) = 4454169710