What is the Least Common Multiple of 17811 and 17817?

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 17811 and 17817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17811 and 17817, than apply into the LCM equation.

GCF(17811,17817) = 3
LCM(17811,17817) = ( 17811 × 17817) / 3
LCM(17811,17817) = 317338587 / 3
LCM(17811,17817) = 105779529

Least Common Multiple (LCM) of 17811 and 17817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17811 and 17817. First we will calculate the prime factors of 17811 and 17817.

Prime Factorization of 17811

Prime Factorization of 17817

Now multiplying the highest exponent prime factors to calculate the LCM of 17811 and 17817.

LCM(17811,17817) = 3² × 1979¹ × 5939¹
LCM(17811,17817) = 105779529