What is the Least Common Multiple of 43289 and 43309?

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 43289 and 43309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43289 and 43309, than apply into the LCM equation.

GCF(43289,43309) = 1
LCM(43289,43309) = ( 43289 × 43309) / 1
LCM(43289,43309) = 1874803301 / 1
LCM(43289,43309) = 1874803301

Least Common Multiple (LCM) of 43289 and 43309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43289 and 43309. First we will calculate the prime factors of 43289 and 43309.

Prime Factorization of 43289

Prime Factorization of 43309

Now multiplying the highest exponent prime factors to calculate the LCM of 43289 and 43309.

LCM(43289,43309) = 73¹ × 593¹ × 7¹ × 23¹ × 269¹
LCM(43289,43309) = 1874803301