What is the Least Common Multiple of 78911 and 78918?

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 78911 and 78918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78911 and 78918, than apply into the LCM equation.

GCF(78911,78918) = 7
LCM(78911,78918) = ( 78911 × 78918) / 7
LCM(78911,78918) = 6227498298 / 7
LCM(78911,78918) = 889642614

Least Common Multiple (LCM) of 78911 and 78918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78911 and 78918. First we will calculate the prime factors of 78911 and 78918.

Prime Factorization of 78911

Prime Factorization of 78918

Now multiplying the highest exponent prime factors to calculate the LCM of 78911 and 78918.

LCM(78911,78918) = 7¹ × 11273¹ × 2¹ × 3¹ × 1879¹
LCM(78911,78918) = 889642614