What is the Least Common Multiple of 64855 and 64859?

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 64855 and 64859 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64855 and 64859, than apply into the LCM equation.

GCF(64855,64859) = 1
LCM(64855,64859) = ( 64855 × 64859) / 1
LCM(64855,64859) = 4206430445 / 1
LCM(64855,64859) = 4206430445

Least Common Multiple (LCM) of 64855 and 64859 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64855 and 64859. First we will calculate the prime factors of 64855 and 64859.

Prime Factorization of 64855

Prime Factorization of 64859

Now multiplying the highest exponent prime factors to calculate the LCM of 64855 and 64859.

LCM(64855,64859) = 5¹ × 7¹ × 17¹ × 109¹ × 79¹ × 821¹
LCM(64855,64859) = 4206430445