What is the Least Common Multiple of 64287 and 64291?

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 64287 and 64291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64287 and 64291, than apply into the LCM equation.

GCF(64287,64291) = 1
LCM(64287,64291) = ( 64287 × 64291) / 1
LCM(64287,64291) = 4133075517 / 1
LCM(64287,64291) = 4133075517

Least Common Multiple (LCM) of 64287 and 64291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64287 and 64291. First we will calculate the prime factors of 64287 and 64291.

Prime Factorization of 64287

Prime Factorization of 64291

Now multiplying the highest exponent prime factors to calculate the LCM of 64287 and 64291.

LCM(64287,64291) = 3³ × 2381¹ × 239¹ × 269¹
LCM(64287,64291) = 4133075517