What is the Least Common Multiple of 30909 and 30918?

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 30909 and 30918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30909 and 30918, than apply into the LCM equation.

GCF(30909,30918) = 3
LCM(30909,30918) = ( 30909 × 30918) / 3
LCM(30909,30918) = 955644462 / 3
LCM(30909,30918) = 318548154

Least Common Multiple (LCM) of 30909 and 30918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30909 and 30918. First we will calculate the prime factors of 30909 and 30918.

Prime Factorization of 30909

Prime Factorization of 30918

Now multiplying the highest exponent prime factors to calculate the LCM of 30909 and 30918.

LCM(30909,30918) = 3¹ × 10303¹ × 2¹ × 5153¹
LCM(30909,30918) = 318548154