What is the Least Common Multiple of 68861 and 68869?

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 68861 and 68869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68861 and 68869, than apply into the LCM equation.

GCF(68861,68869) = 1
LCM(68861,68869) = ( 68861 × 68869) / 1
LCM(68861,68869) = 4742388209 / 1
LCM(68861,68869) = 4742388209

Least Common Multiple (LCM) of 68861 and 68869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68861 and 68869. First we will calculate the prime factors of 68861 and 68869.

Prime Factorization of 68861

Prime Factorization of 68869

Now multiplying the highest exponent prime factors to calculate the LCM of 68861 and 68869.

LCM(68861,68869) = 13¹ × 5297¹ × 61¹ × 1129¹
LCM(68861,68869) = 4742388209