What is the Least Common Multiple of 65791 and 65809?

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 65791 and 65809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65791 and 65809, than apply into the LCM equation.

GCF(65791,65809) = 1
LCM(65791,65809) = ( 65791 × 65809) / 1
LCM(65791,65809) = 4329639919 / 1
LCM(65791,65809) = 4329639919

Least Common Multiple (LCM) of 65791 and 65809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65791 and 65809. First we will calculate the prime factors of 65791 and 65809.

Prime Factorization of 65791

Prime Factorization of 65809

Now multiplying the highest exponent prime factors to calculate the LCM of 65791 and 65809.

LCM(65791,65809) = 11¹ × 5981¹ × 65809¹
LCM(65791,65809) = 4329639919