What is the Least Common Multiple of 15222 and 15231?

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 15222 and 15231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15222 and 15231, than apply into the LCM equation.

GCF(15222,15231) = 3
LCM(15222,15231) = ( 15222 × 15231) / 3
LCM(15222,15231) = 231846282 / 3
LCM(15222,15231) = 77282094

Least Common Multiple (LCM) of 15222 and 15231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15222 and 15231. First we will calculate the prime factors of 15222 and 15231.

Prime Factorization of 15222

Prime Factorization of 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 15222 and 15231.

LCM(15222,15231) = 2¹ × 3¹ × 43¹ × 59¹ × 5077¹
LCM(15222,15231) = 77282094