What is the Least Common Multiple of 81128 and 81141?

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 81128 and 81141 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81128 and 81141, than apply into the LCM equation.

GCF(81128,81141) = 1
LCM(81128,81141) = ( 81128 × 81141) / 1
LCM(81128,81141) = 6582807048 / 1
LCM(81128,81141) = 6582807048

Least Common Multiple (LCM) of 81128 and 81141 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81128 and 81141. First we will calculate the prime factors of 81128 and 81141.

Prime Factorization of 81128

Prime Factorization of 81141

Now multiplying the highest exponent prime factors to calculate the LCM of 81128 and 81141.

LCM(81128,81141) = 2³ × 10141¹ × 3¹ × 17¹ × 37¹ × 43¹
LCM(81128,81141) = 6582807048