What is the Least Common Multiple of 82108 and 82121?

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 82108 and 82121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82108 and 82121, than apply into the LCM equation.

GCF(82108,82121) = 13
LCM(82108,82121) = ( 82108 × 82121) / 13
LCM(82108,82121) = 6742791068 / 13
LCM(82108,82121) = 518676236

Least Common Multiple (LCM) of 82108 and 82121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82108 and 82121. First we will calculate the prime factors of 82108 and 82121.

Prime Factorization of 82108

Prime Factorization of 82121

Now multiplying the highest exponent prime factors to calculate the LCM of 82108 and 82121.

LCM(82108,82121) = 2² × 13¹ × 1579¹ × 6317¹
LCM(82108,82121) = 518676236