What is the Least Common Multiple of 75791 and 75809?

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 75791 and 75809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75791 and 75809, than apply into the LCM equation.

GCF(75791,75809) = 1
LCM(75791,75809) = ( 75791 × 75809) / 1
LCM(75791,75809) = 5745639919 / 1
LCM(75791,75809) = 5745639919

Least Common Multiple (LCM) of 75791 and 75809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75791 and 75809. First we will calculate the prime factors of 75791 and 75809.

Prime Factorization of 75791

Prime Factorization of 75809

Now multiplying the highest exponent prime factors to calculate the LCM of 75791 and 75809.

LCM(75791,75809) = 19¹ × 3989¹ × 41¹ × 43²
LCM(75791,75809) = 5745639919