What is the Least Common Multiple of 76203 and 76221?

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 76203 and 76221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76203 and 76221, than apply into the LCM equation.

GCF(76203,76221) = 9
LCM(76203,76221) = ( 76203 × 76221) / 9
LCM(76203,76221) = 5808268863 / 9
LCM(76203,76221) = 645363207

Least Common Multiple (LCM) of 76203 and 76221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76203 and 76221. First we will calculate the prime factors of 76203 and 76221.

Prime Factorization of 76203

Prime Factorization of 76221

Now multiplying the highest exponent prime factors to calculate the LCM of 76203 and 76221.

LCM(76203,76221) = 3⁴ × 8467¹ × 941¹
LCM(76203,76221) = 645363207