What is the Least Common Multiple of 12915 and 12922?

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 12915 and 12922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12915 and 12922, than apply into the LCM equation.

GCF(12915,12922) = 7
LCM(12915,12922) = ( 12915 × 12922) / 7
LCM(12915,12922) = 166887630 / 7
LCM(12915,12922) = 23841090

Least Common Multiple (LCM) of 12915 and 12922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12915 and 12922. First we will calculate the prime factors of 12915 and 12922.

Prime Factorization of 12915

Prime Factorization of 12922

Now multiplying the highest exponent prime factors to calculate the LCM of 12915 and 12922.

LCM(12915,12922) = 3² × 5¹ × 7¹ × 41¹ × 2¹ × 13¹ × 71¹
LCM(12915,12922) = 23841090