What is the Least Common Multiple of 78918 and 78936?

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 78918 and 78936 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78918 and 78936, than apply into the LCM equation.

GCF(78918,78936) = 6
LCM(78918,78936) = ( 78918 × 78936) / 6
LCM(78918,78936) = 6229471248 / 6
LCM(78918,78936) = 1038245208

Least Common Multiple (LCM) of 78918 and 78936 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78918 and 78936. First we will calculate the prime factors of 78918 and 78936.

Prime Factorization of 78918

Prime Factorization of 78936

Now multiplying the highest exponent prime factors to calculate the LCM of 78918 and 78936.

LCM(78918,78936) = 2³ × 3¹ × 7¹ × 1879¹ × 11¹ × 13¹ × 23¹
LCM(78918,78936) = 1038245208