What is the Least Common Multiple of 63609 and 63618?

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 63609 and 63618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63609 and 63618, than apply into the LCM equation.

GCF(63609,63618) = 3
LCM(63609,63618) = ( 63609 × 63618) / 3
LCM(63609,63618) = 4046677362 / 3
LCM(63609,63618) = 1348892454

Least Common Multiple (LCM) of 63609 and 63618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63609 and 63618. First we will calculate the prime factors of 63609 and 63618.

Prime Factorization of 63609

Prime Factorization of 63618

Now multiplying the highest exponent prime factors to calculate the LCM of 63609 and 63618.

LCM(63609,63618) = 3¹ × 7¹ × 13¹ × 233¹ × 2¹ × 23¹ × 461¹
LCM(63609,63618) = 1348892454