What is the Least Common Multiple of 68915 and 68922?

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 68915 and 68922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68915 and 68922, than apply into the LCM equation.

GCF(68915,68922) = 7
LCM(68915,68922) = ( 68915 × 68922) / 7
LCM(68915,68922) = 4749759630 / 7
LCM(68915,68922) = 678537090

Least Common Multiple (LCM) of 68915 and 68922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68915 and 68922. First we will calculate the prime factors of 68915 and 68922.

Prime Factorization of 68915

Prime Factorization of 68922

Now multiplying the highest exponent prime factors to calculate the LCM of 68915 and 68922.

LCM(68915,68922) = 5¹ × 7¹ × 11¹ × 179¹ × 2¹ × 3² × 547¹
LCM(68915,68922) = 678537090