What is the Least Common Multiple of 12689 and 12693?

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 12689 and 12693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12689 and 12693, than apply into the LCM equation.

GCF(12689,12693) = 1
LCM(12689,12693) = ( 12689 × 12693) / 1
LCM(12689,12693) = 161061477 / 1
LCM(12689,12693) = 161061477

Least Common Multiple (LCM) of 12689 and 12693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12689 and 12693. First we will calculate the prime factors of 12689 and 12693.

Prime Factorization of 12689

Prime Factorization of 12693

Now multiplying the highest exponent prime factors to calculate the LCM of 12689 and 12693.

LCM(12689,12693) = 12689¹ × 3¹ × 4231¹
LCM(12689,12693) = 161061477