What is the Least Common Multiple of 68857 and 68861?

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 68857 and 68861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68857 and 68861, than apply into the LCM equation.

GCF(68857,68861) = 1
LCM(68857,68861) = ( 68857 × 68861) / 1
LCM(68857,68861) = 4741561877 / 1
LCM(68857,68861) = 4741561877

Least Common Multiple (LCM) of 68857 and 68861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68857 and 68861. First we will calculate the prime factors of 68857 and 68861.

Prime Factorization of 68857

Prime Factorization of 68861

Now multiplying the highest exponent prime factors to calculate the LCM of 68857 and 68861.

LCM(68857,68861) = 37¹ × 1861¹ × 13¹ × 5297¹
LCM(68857,68861) = 4741561877