What is the Least Common Multiple of 64605 and 64618?

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 64605 and 64618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64605 and 64618, than apply into the LCM equation.

GCF(64605,64618) = 1
LCM(64605,64618) = ( 64605 × 64618) / 1
LCM(64605,64618) = 4174645890 / 1
LCM(64605,64618) = 4174645890

Least Common Multiple (LCM) of 64605 and 64618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64605 and 64618. First we will calculate the prime factors of 64605 and 64618.

Prime Factorization of 64605

Prime Factorization of 64618

Now multiplying the highest exponent prime factors to calculate the LCM of 64605 and 64618.

LCM(64605,64618) = 3¹ × 5¹ × 59¹ × 73¹ × 2¹ × 32309¹
LCM(64605,64618) = 4174645890