What is the Least Common Multiple of 76215 and 76230?

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 76215 and 76230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76215 and 76230, than apply into the LCM equation.

GCF(76215,76230) = 15
LCM(76215,76230) = ( 76215 × 76230) / 15
LCM(76215,76230) = 5809869450 / 15
LCM(76215,76230) = 387324630

Least Common Multiple (LCM) of 76215 and 76230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76215 and 76230. First we will calculate the prime factors of 76215 and 76230.

Prime Factorization of 76215

Prime Factorization of 76230

Now multiplying the highest exponent prime factors to calculate the LCM of 76215 and 76230.

LCM(76215,76230) = 3² × 5¹ × 5081¹ × 2¹ × 7¹ × 11²
LCM(76215,76230) = 387324630