What is the Least Common Multiple of 64891 and 64904?

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 64891 and 64904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64891 and 64904, than apply into the LCM equation.

GCF(64891,64904) = 1
LCM(64891,64904) = ( 64891 × 64904) / 1
LCM(64891,64904) = 4211685464 / 1
LCM(64891,64904) = 4211685464

Least Common Multiple (LCM) of 64891 and 64904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64891 and 64904. First we will calculate the prime factors of 64891 and 64904.

Prime Factorization of 64891

Prime Factorization of 64904

Now multiplying the highest exponent prime factors to calculate the LCM of 64891 and 64904.

LCM(64891,64904) = 64891¹ × 2³ × 7¹ × 19¹ × 61¹
LCM(64891,64904) = 4211685464