What is the Least Common Multiple of 65785 and 65805?

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 65785 and 65805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65785 and 65805, than apply into the LCM equation.

GCF(65785,65805) = 5
LCM(65785,65805) = ( 65785 × 65805) / 5
LCM(65785,65805) = 4328981925 / 5
LCM(65785,65805) = 865796385

Least Common Multiple (LCM) of 65785 and 65805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65785 and 65805. First we will calculate the prime factors of 65785 and 65805.

Prime Factorization of 65785

Prime Factorization of 65805

Now multiplying the highest exponent prime factors to calculate the LCM of 65785 and 65805.

LCM(65785,65805) = 5¹ × 59¹ × 223¹ × 3¹ × 41¹ × 107¹
LCM(65785,65805) = 865796385