What is the Least Common Multiple of 89140 and 89155?

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 89140 and 89155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89140 and 89155, than apply into the LCM equation.

GCF(89140,89155) = 5
LCM(89140,89155) = ( 89140 × 89155) / 5
LCM(89140,89155) = 7947276700 / 5
LCM(89140,89155) = 1589455340

Least Common Multiple (LCM) of 89140 and 89155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89140 and 89155. First we will calculate the prime factors of 89140 and 89155.

Prime Factorization of 89140

Prime Factorization of 89155

Now multiplying the highest exponent prime factors to calculate the LCM of 89140 and 89155.

LCM(89140,89155) = 2² × 5¹ × 4457¹ × 11¹ × 1621¹
LCM(89140,89155) = 1589455340