What is the Least Common Multiple of 45372 and 45387?

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 45372 and 45387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45372 and 45387, than apply into the LCM equation.

GCF(45372,45387) = 3
LCM(45372,45387) = ( 45372 × 45387) / 3
LCM(45372,45387) = 2059298964 / 3
LCM(45372,45387) = 686432988

Least Common Multiple (LCM) of 45372 and 45387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45372 and 45387. First we will calculate the prime factors of 45372 and 45387.

Prime Factorization of 45372

Prime Factorization of 45387

Now multiplying the highest exponent prime factors to calculate the LCM of 45372 and 45387.

LCM(45372,45387) = 2² × 3³ × 19¹ × 199¹ × 41²
LCM(45372,45387) = 686432988