What is the Least Common Multiple of 64389 and 64393?

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 64389 and 64393 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64389 and 64393, than apply into the LCM equation.

GCF(64389,64393) = 1
LCM(64389,64393) = ( 64389 × 64393) / 1
LCM(64389,64393) = 4146200877 / 1
LCM(64389,64393) = 4146200877

Least Common Multiple (LCM) of 64389 and 64393 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64389 and 64393. First we will calculate the prime factors of 64389 and 64393.

Prime Factorization of 64389

Prime Factorization of 64393

Now multiplying the highest exponent prime factors to calculate the LCM of 64389 and 64393.

LCM(64389,64393) = 3¹ × 13² × 127¹ × 7¹ × 9199¹
LCM(64389,64393) = 4146200877