What is the Least Common Multiple of 68239 and 68257?

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 68239 and 68257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68239 and 68257, than apply into the LCM equation.

GCF(68239,68257) = 1
LCM(68239,68257) = ( 68239 × 68257) / 1
LCM(68239,68257) = 4657789423 / 1
LCM(68239,68257) = 4657789423

Least Common Multiple (LCM) of 68239 and 68257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68239 and 68257. First we will calculate the prime factors of 68239 and 68257.

Prime Factorization of 68239

Prime Factorization of 68257

Now multiplying the highest exponent prime factors to calculate the LCM of 68239 and 68257.

LCM(68239,68257) = 68239¹ × 7³ × 199¹
LCM(68239,68257) = 4657789423