What is the Least Common Multiple of 81889 and 81901?

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 81889 and 81901 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81889 and 81901, than apply into the LCM equation.

GCF(81889,81901) = 1
LCM(81889,81901) = ( 81889 × 81901) / 1
LCM(81889,81901) = 6706790989 / 1
LCM(81889,81901) = 6706790989

Least Common Multiple (LCM) of 81889 and 81901 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81889 and 81901. First we will calculate the prime factors of 81889 and 81901.

Prime Factorization of 81889

Prime Factorization of 81901

Now multiplying the highest exponent prime factors to calculate the LCM of 81889 and 81901.

LCM(81889,81901) = 17¹ × 4817¹ × 81901¹
LCM(81889,81901) = 6706790989