What is the Least Common Multiple of 12689 and 12707?

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 12707 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 12707, than apply into the LCM equation.

GCF(12689,12707) = 1
LCM(12689,12707) = ( 12689 × 12707) / 1
LCM(12689,12707) = 161239123 / 1
LCM(12689,12707) = 161239123

Least Common Multiple (LCM) of 12689 and 12707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12689 and 12707. First we will calculate the prime factors of 12689 and 12707.

Prime Factorization of 12689

Prime Factorization of 12707

Now multiplying the highest exponent prime factors to calculate the LCM of 12689 and 12707.

LCM(12689,12707) = 12689¹ × 97¹ × 131¹
LCM(12689,12707) = 161239123