What is the Least Common Multiple of 45189 and 45198?

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 45189 and 45198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45189 and 45198, than apply into the LCM equation.

GCF(45189,45198) = 9
LCM(45189,45198) = ( 45189 × 45198) / 9
LCM(45189,45198) = 2042452422 / 9
LCM(45189,45198) = 226939158

Least Common Multiple (LCM) of 45189 and 45198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45189 and 45198. First we will calculate the prime factors of 45189 and 45198.

Prime Factorization of 45189

Prime Factorization of 45198

Now multiplying the highest exponent prime factors to calculate the LCM of 45189 and 45198.

LCM(45189,45198) = 3⁶ × 5021¹ × 2¹ × 31¹
LCM(45189,45198) = 226939158