What is the Least Common Multiple of 15285 and 15291?

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 15285 and 15291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15285 and 15291, than apply into the LCM equation.

GCF(15285,15291) = 3
LCM(15285,15291) = ( 15285 × 15291) / 3
LCM(15285,15291) = 233722935 / 3
LCM(15285,15291) = 77907645

Least Common Multiple (LCM) of 15285 and 15291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15285 and 15291. First we will calculate the prime factors of 15285 and 15291.

Prime Factorization of 15285

Prime Factorization of 15291

Now multiplying the highest exponent prime factors to calculate the LCM of 15285 and 15291.

LCM(15285,15291) = 3² × 5¹ × 1019¹ × 1699¹
LCM(15285,15291) = 77907645