What is the Least Common Multiple of 67686 and 67704?

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 67686 and 67704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67686 and 67704, than apply into the LCM equation.

GCF(67686,67704) = 6
LCM(67686,67704) = ( 67686 × 67704) / 6
LCM(67686,67704) = 4582612944 / 6
LCM(67686,67704) = 763768824

Least Common Multiple (LCM) of 67686 and 67704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67686 and 67704. First we will calculate the prime factors of 67686 and 67704.

Prime Factorization of 67686

Prime Factorization of 67704

Now multiplying the highest exponent prime factors to calculate the LCM of 67686 and 67704.

LCM(67686,67704) = 2³ × 3¹ × 29¹ × 389¹ × 7¹ × 13¹ × 31¹
LCM(67686,67704) = 763768824