What is the Least Common Multiple of 67929 and 67947?

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 67929 and 67947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67929 and 67947, than apply into the LCM equation.

GCF(67929,67947) = 3
LCM(67929,67947) = ( 67929 × 67947) / 3
LCM(67929,67947) = 4615571763 / 3
LCM(67929,67947) = 1538523921

Least Common Multiple (LCM) of 67929 and 67947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67929 and 67947. First we will calculate the prime factors of 67929 and 67947.

Prime Factorization of 67929

Prime Factorization of 67947

Now multiplying the highest exponent prime factors to calculate the LCM of 67929 and 67947.

LCM(67929,67947) = 3¹ × 22643¹ × 11¹ × 29¹ × 71¹
LCM(67929,67947) = 1538523921