What is the Least Common Multiple of 38015 and 38020?

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 38015 and 38020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38015 and 38020, than apply into the LCM equation.

GCF(38015,38020) = 5
LCM(38015,38020) = ( 38015 × 38020) / 5
LCM(38015,38020) = 1445330300 / 5
LCM(38015,38020) = 289066060

Least Common Multiple (LCM) of 38015 and 38020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38015 and 38020. First we will calculate the prime factors of 38015 and 38020.

Prime Factorization of 38015

Prime Factorization of 38020

Now multiplying the highest exponent prime factors to calculate the LCM of 38015 and 38020.

LCM(38015,38020) = 5¹ × 7603¹ × 2² × 1901¹
LCM(38015,38020) = 289066060