What is the Least Common Multiple of 38910 and 38915?

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 38910 and 38915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38910 and 38915, than apply into the LCM equation.

GCF(38910,38915) = 5
LCM(38910,38915) = ( 38910 × 38915) / 5
LCM(38910,38915) = 1514182650 / 5
LCM(38910,38915) = 302836530

Least Common Multiple (LCM) of 38910 and 38915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38910 and 38915. First we will calculate the prime factors of 38910 and 38915.

Prime Factorization of 38910

Prime Factorization of 38915

Now multiplying the highest exponent prime factors to calculate the LCM of 38910 and 38915.

LCM(38910,38915) = 2¹ × 3¹ × 5¹ × 1297¹ × 43¹ × 181¹
LCM(38910,38915) = 302836530