What is the Least Common Multiple of 6610 and 6618?

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 6610 and 6618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6610 and 6618, than apply into the LCM equation.

GCF(6610,6618) = 2
LCM(6610,6618) = ( 6610 × 6618) / 2
LCM(6610,6618) = 43744980 / 2
LCM(6610,6618) = 21872490

Least Common Multiple (LCM) of 6610 and 6618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6610 and 6618. First we will calculate the prime factors of 6610 and 6618.

Prime Factorization of 6610

Prime Factorization of 6618

Now multiplying the highest exponent prime factors to calculate the LCM of 6610 and 6618.

LCM(6610,6618) = 2¹ × 5¹ × 661¹ × 3¹ × 1103¹
LCM(6610,6618) = 21872490