What is the Least Common Multiple of 82121 and 82140?

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 82121 and 82140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82121 and 82140, than apply into the LCM equation.

GCF(82121,82140) = 1
LCM(82121,82140) = ( 82121 × 82140) / 1
LCM(82121,82140) = 6745418940 / 1
LCM(82121,82140) = 6745418940

Least Common Multiple (LCM) of 82121 and 82140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82121 and 82140. First we will calculate the prime factors of 82121 and 82140.

Prime Factorization of 82121

Prime Factorization of 82140

Now multiplying the highest exponent prime factors to calculate the LCM of 82121 and 82140.

LCM(82121,82140) = 13¹ × 6317¹ × 2² × 3¹ × 5¹ × 37²
LCM(82121,82140) = 6745418940