What is the Least Common Multiple of 13698 and 13707?

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 13698 and 13707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13698 and 13707, than apply into the LCM equation.

GCF(13698,13707) = 9
LCM(13698,13707) = ( 13698 × 13707) / 9
LCM(13698,13707) = 187758486 / 9
LCM(13698,13707) = 20862054

Least Common Multiple (LCM) of 13698 and 13707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13698 and 13707. First we will calculate the prime factors of 13698 and 13707.

Prime Factorization of 13698

Prime Factorization of 13707

Now multiplying the highest exponent prime factors to calculate the LCM of 13698 and 13707.

LCM(13698,13707) = 2¹ × 3² × 761¹ × 1523¹
LCM(13698,13707) = 20862054