What is the Least Common Multiple of 68291 and 68309?

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 68291 and 68309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68291 and 68309, than apply into the LCM equation.

GCF(68291,68309) = 1
LCM(68291,68309) = ( 68291 × 68309) / 1
LCM(68291,68309) = 4664889919 / 1
LCM(68291,68309) = 4664889919

Least Common Multiple (LCM) of 68291 and 68309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68291 and 68309. First we will calculate the prime factors of 68291 and 68309.

Prime Factorization of 68291

Prime Factorization of 68309

Now multiplying the highest exponent prime factors to calculate the LCM of 68291 and 68309.

LCM(68291,68309) = 47¹ × 1453¹ × 83¹ × 823¹
LCM(68291,68309) = 4664889919