What is the Least Common Multiple of 18689 and 18707?

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 18689 and 18707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18689 and 18707, than apply into the LCM equation.

GCF(18689,18707) = 1
LCM(18689,18707) = ( 18689 × 18707) / 1
LCM(18689,18707) = 349615123 / 1
LCM(18689,18707) = 349615123

Least Common Multiple (LCM) of 18689 and 18707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18689 and 18707. First we will calculate the prime factors of 18689 and 18707.

Prime Factorization of 18689

Prime Factorization of 18707

Now multiplying the highest exponent prime factors to calculate the LCM of 18689 and 18707.

LCM(18689,18707) = 11¹ × 1699¹ × 13¹ × 1439¹
LCM(18689,18707) = 349615123