What is the Least Common Multiple of 1797 and 1817?

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 1797 and 1817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1797 and 1817, than apply into the LCM equation.

GCF(1797,1817) = 1
LCM(1797,1817) = ( 1797 × 1817) / 1
LCM(1797,1817) = 3265149 / 1
LCM(1797,1817) = 3265149

Least Common Multiple (LCM) of 1797 and 1817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1797 and 1817. First we will calculate the prime factors of 1797 and 1817.

Prime Factorization of 1797

Prime Factorization of 1817

Now multiplying the highest exponent prime factors to calculate the LCM of 1797 and 1817.

LCM(1797,1817) = 3¹ × 599¹ × 23¹ × 79¹
LCM(1797,1817) = 3265149