What is the Least Common Multiple of 12209 and 12217?

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 12209 and 12217 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12209 and 12217, than apply into the LCM equation.

GCF(12209,12217) = 1
LCM(12209,12217) = ( 12209 × 12217) / 1
LCM(12209,12217) = 149157353 / 1
LCM(12209,12217) = 149157353

Least Common Multiple (LCM) of 12209 and 12217 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12209 and 12217. First we will calculate the prime factors of 12209 and 12217.

Prime Factorization of 12209

Prime Factorization of 12217

Now multiplying the highest exponent prime factors to calculate the LCM of 12209 and 12217.

LCM(12209,12217) = 29¹ × 421¹ × 19¹ × 643¹
LCM(12209,12217) = 149157353