What is the Least Common Multiple of 84920 and 84931?

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 84920 and 84931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84920 and 84931, than apply into the LCM equation.

GCF(84920,84931) = 11
LCM(84920,84931) = ( 84920 × 84931) / 11
LCM(84920,84931) = 7212340520 / 11
LCM(84920,84931) = 655667320

Least Common Multiple (LCM) of 84920 and 84931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84920 and 84931. First we will calculate the prime factors of 84920 and 84931.

Prime Factorization of 84920

Prime Factorization of 84931

Now multiplying the highest exponent prime factors to calculate the LCM of 84920 and 84931.

LCM(84920,84931) = 2³ × 5¹ × 11¹ × 193¹ × 7¹ × 1103¹
LCM(84920,84931) = 655667320