What is the Least Common Multiple of 68870 and 68889?

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 68870 and 68889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68870 and 68889, than apply into the LCM equation.

GCF(68870,68889) = 1
LCM(68870,68889) = ( 68870 × 68889) / 1
LCM(68870,68889) = 4744385430 / 1
LCM(68870,68889) = 4744385430

Least Common Multiple (LCM) of 68870 and 68889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68870 and 68889. First we will calculate the prime factors of 68870 and 68889.

Prime Factorization of 68870

Prime Factorization of 68889

Now multiplying the highest exponent prime factors to calculate the LCM of 68870 and 68889.

LCM(68870,68889) = 2¹ × 5¹ × 71¹ × 97¹ × 3¹ × 22963¹
LCM(68870,68889) = 4744385430