What is the Least Common Multiple of 72891 and 72906?

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 72891 and 72906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72891 and 72906, than apply into the LCM equation.

GCF(72891,72906) = 3
LCM(72891,72906) = ( 72891 × 72906) / 3
LCM(72891,72906) = 5314191246 / 3
LCM(72891,72906) = 1771397082

Least Common Multiple (LCM) of 72891 and 72906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72891 and 72906. First we will calculate the prime factors of 72891 and 72906.

Prime Factorization of 72891

Prime Factorization of 72906

Now multiplying the highest exponent prime factors to calculate the LCM of 72891 and 72906.

LCM(72891,72906) = 3² × 7¹ × 13¹ × 89¹ × 2¹ × 29¹ × 419¹
LCM(72891,72906) = 1771397082