What is the Least Common Multiple of 69138 and 69155?

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 69138 and 69155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69138 and 69155, than apply into the LCM equation.

GCF(69138,69155) = 1
LCM(69138,69155) = ( 69138 × 69155) / 1
LCM(69138,69155) = 4781238390 / 1
LCM(69138,69155) = 4781238390

Least Common Multiple (LCM) of 69138 and 69155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69138 and 69155. First we will calculate the prime factors of 69138 and 69155.

Prime Factorization of 69138

Prime Factorization of 69155

Now multiplying the highest exponent prime factors to calculate the LCM of 69138 and 69155.

LCM(69138,69155) = 2¹ × 3² × 23¹ × 167¹ × 5¹ × 13831¹
LCM(69138,69155) = 4781238390