What is the Least Common Multiple of 87003 and 87015?

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 87003 and 87015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87003 and 87015, than apply into the LCM equation.

GCF(87003,87015) = 3
LCM(87003,87015) = ( 87003 × 87015) / 3
LCM(87003,87015) = 7570566045 / 3
LCM(87003,87015) = 2523522015

Least Common Multiple (LCM) of 87003 and 87015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87003 and 87015. First we will calculate the prime factors of 87003 and 87015.

Prime Factorization of 87003

Prime Factorization of 87015

Now multiplying the highest exponent prime factors to calculate the LCM of 87003 and 87015.

LCM(87003,87015) = 3² × 7¹ × 1381¹ × 5¹ × 5801¹
LCM(87003,87015) = 2523522015