What is the Least Common Multiple of 68257 and 68271?

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 68257 and 68271 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68257 and 68271, than apply into the LCM equation.

GCF(68257,68271) = 7
LCM(68257,68271) = ( 68257 × 68271) / 7
LCM(68257,68271) = 4659973647 / 7
LCM(68257,68271) = 665710521

Least Common Multiple (LCM) of 68257 and 68271 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68257 and 68271. First we will calculate the prime factors of 68257 and 68271.

Prime Factorization of 68257

Prime Factorization of 68271

Now multiplying the highest exponent prime factors to calculate the LCM of 68257 and 68271.

LCM(68257,68271) = 7³ × 199¹ × 3¹ × 3251¹
LCM(68257,68271) = 665710521