What is the Least Common Multiple of 51291 and 51309?

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 51291 and 51309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51291 and 51309, than apply into the LCM equation.

GCF(51291,51309) = 9
LCM(51291,51309) = ( 51291 × 51309) / 9
LCM(51291,51309) = 2631689919 / 9
LCM(51291,51309) = 292409991

Least Common Multiple (LCM) of 51291 and 51309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51291 and 51309. First we will calculate the prime factors of 51291 and 51309.

Prime Factorization of 51291

Prime Factorization of 51309

Now multiplying the highest exponent prime factors to calculate the LCM of 51291 and 51309.

LCM(51291,51309) = 3² × 41¹ × 139¹ × 5701¹
LCM(51291,51309) = 292409991