What is the Least Common Multiple of 38691 and 38709?

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 38691 and 38709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38691 and 38709, than apply into the LCM equation.

GCF(38691,38709) = 9
LCM(38691,38709) = ( 38691 × 38709) / 9
LCM(38691,38709) = 1497689919 / 9
LCM(38691,38709) = 166409991

Least Common Multiple (LCM) of 38691 and 38709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38691 and 38709. First we will calculate the prime factors of 38691 and 38709.

Prime Factorization of 38691

Prime Factorization of 38709

Now multiplying the highest exponent prime factors to calculate the LCM of 38691 and 38709.

LCM(38691,38709) = 3³ × 1433¹ × 11¹ × 17¹ × 23¹
LCM(38691,38709) = 166409991