What is the Least Common Multiple of 64040 and 64055?

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 64040 and 64055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64040 and 64055, than apply into the LCM equation.

GCF(64040,64055) = 5
LCM(64040,64055) = ( 64040 × 64055) / 5
LCM(64040,64055) = 4102082200 / 5
LCM(64040,64055) = 820416440

Least Common Multiple (LCM) of 64040 and 64055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64040 and 64055. First we will calculate the prime factors of 64040 and 64055.

Prime Factorization of 64040

Prime Factorization of 64055

Now multiplying the highest exponent prime factors to calculate the LCM of 64040 and 64055.

LCM(64040,64055) = 2³ × 5¹ × 1601¹ × 23¹ × 557¹
LCM(64040,64055) = 820416440