What is the Least Common Multiple of 64872 and 64892?

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 64872 and 64892 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64872 and 64892, than apply into the LCM equation.

GCF(64872,64892) = 4
LCM(64872,64892) = ( 64872 × 64892) / 4
LCM(64872,64892) = 4209673824 / 4
LCM(64872,64892) = 1052418456

Least Common Multiple (LCM) of 64872 and 64892 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64872 and 64892. First we will calculate the prime factors of 64872 and 64892.

Prime Factorization of 64872

Prime Factorization of 64892

Now multiplying the highest exponent prime factors to calculate the LCM of 64872 and 64892.

LCM(64872,64892) = 2³ × 3² × 17¹ × 53¹ × 16223¹
LCM(64872,64892) = 1052418456