What is the Least Common Multiple of 75015 and 75020?

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 75015 and 75020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75015 and 75020, than apply into the LCM equation.

GCF(75015,75020) = 5
LCM(75015,75020) = ( 75015 × 75020) / 5
LCM(75015,75020) = 5627625300 / 5
LCM(75015,75020) = 1125525060

Least Common Multiple (LCM) of 75015 and 75020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75015 and 75020. First we will calculate the prime factors of 75015 and 75020.

Prime Factorization of 75015

Prime Factorization of 75020

Now multiplying the highest exponent prime factors to calculate the LCM of 75015 and 75020.

LCM(75015,75020) = 3² × 5¹ × 1667¹ × 2² × 11² × 31¹
LCM(75015,75020) = 1125525060