What is the Least Common Multiple of 73191 and 73209?

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 73191 and 73209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73191 and 73209, than apply into the LCM equation.

GCF(73191,73209) = 3
LCM(73191,73209) = ( 73191 × 73209) / 3
LCM(73191,73209) = 5358239919 / 3
LCM(73191,73209) = 1786079973

Least Common Multiple (LCM) of 73191 and 73209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73191 and 73209. First we will calculate the prime factors of 73191 and 73209.

Prime Factorization of 73191

Prime Factorization of 73209

Now multiplying the highest exponent prime factors to calculate the LCM of 73191 and 73209.

LCM(73191,73209) = 3¹ × 31¹ × 787¹ × 23¹ × 1061¹
LCM(73191,73209) = 1786079973