What is the Least Common Multiple of 85729 and 85743?

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 85729 and 85743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85729 and 85743, than apply into the LCM equation.

GCF(85729,85743) = 7
LCM(85729,85743) = ( 85729 × 85743) / 7
LCM(85729,85743) = 7350661647 / 7
LCM(85729,85743) = 1050094521

Least Common Multiple (LCM) of 85729 and 85743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85729 and 85743. First we will calculate the prime factors of 85729 and 85743.

Prime Factorization of 85729

Prime Factorization of 85743

Now multiplying the highest exponent prime factors to calculate the LCM of 85729 and 85743.

LCM(85729,85743) = 7¹ × 37¹ × 331¹ × 3² × 1361¹
LCM(85729,85743) = 1050094521