What is the Least Common Multiple of 39009 and 39015?

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 39009 and 39015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39009 and 39015, than apply into the LCM equation.

GCF(39009,39015) = 3
LCM(39009,39015) = ( 39009 × 39015) / 3
LCM(39009,39015) = 1521936135 / 3
LCM(39009,39015) = 507312045

Least Common Multiple (LCM) of 39009 and 39015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39009 and 39015. First we will calculate the prime factors of 39009 and 39015.

Prime Factorization of 39009

Prime Factorization of 39015

Now multiplying the highest exponent prime factors to calculate the LCM of 39009 and 39015.

LCM(39009,39015) = 3³ × 13003¹ × 5¹ × 17²
LCM(39009,39015) = 507312045