What is the Least Common Multiple of 45378 and 45388?

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 45378 and 45388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45378 and 45388, than apply into the LCM equation.

GCF(45378,45388) = 2
LCM(45378,45388) = ( 45378 × 45388) / 2
LCM(45378,45388) = 2059616664 / 2
LCM(45378,45388) = 1029808332

Least Common Multiple (LCM) of 45378 and 45388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45378 and 45388. First we will calculate the prime factors of 45378 and 45388.

Prime Factorization of 45378

Prime Factorization of 45388

Now multiplying the highest exponent prime factors to calculate the LCM of 45378 and 45388.

LCM(45378,45388) = 2² × 3² × 2521¹ × 7¹ × 1621¹
LCM(45378,45388) = 1029808332