What is the Least Common Multiple of 64221 and 64227?

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 64221 and 64227 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64221 and 64227, than apply into the LCM equation.

GCF(64221,64227) = 3
LCM(64221,64227) = ( 64221 × 64227) / 3
LCM(64221,64227) = 4124722167 / 3
LCM(64221,64227) = 1374907389

Least Common Multiple (LCM) of 64221 and 64227 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64221 and 64227. First we will calculate the prime factors of 64221 and 64227.

Prime Factorization of 64221

Prime Factorization of 64227

Now multiplying the highest exponent prime factors to calculate the LCM of 64221 and 64227.

LCM(64221,64227) = 3¹ × 21407¹ × 79¹ × 271¹
LCM(64221,64227) = 1374907389