What is the Least Common Multiple of 71857 and 71871?

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 71857 and 71871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71857 and 71871, than apply into the LCM equation.

GCF(71857,71871) = 1
LCM(71857,71871) = ( 71857 × 71871) / 1
LCM(71857,71871) = 5164434447 / 1
LCM(71857,71871) = 5164434447

Least Common Multiple (LCM) of 71857 and 71871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71857 and 71871. First we will calculate the prime factors of 71857 and 71871.

Prime Factorization of 71857

Prime Factorization of 71871

Now multiplying the highest exponent prime factors to calculate the LCM of 71857 and 71871.

LCM(71857,71871) = 181¹ × 397¹ × 3¹ × 23957¹
LCM(71857,71871) = 5164434447