What is the Least Common Multiple of 27921 and 27939?

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 27921 and 27939 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27921 and 27939, than apply into the LCM equation.

GCF(27921,27939) = 3
LCM(27921,27939) = ( 27921 × 27939) / 3
LCM(27921,27939) = 780084819 / 3
LCM(27921,27939) = 260028273

Least Common Multiple (LCM) of 27921 and 27939 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27921 and 27939. First we will calculate the prime factors of 27921 and 27939.

Prime Factorization of 27921

Prime Factorization of 27939

Now multiplying the highest exponent prime factors to calculate the LCM of 27921 and 27939.

LCM(27921,27939) = 3¹ × 41¹ × 227¹ × 67¹ × 139¹
LCM(27921,27939) = 260028273