What is the Least Common Multiple of 87580 and 87590?

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 87580 and 87590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87580 and 87590, than apply into the LCM equation.

GCF(87580,87590) = 10
LCM(87580,87590) = ( 87580 × 87590) / 10
LCM(87580,87590) = 7671132200 / 10
LCM(87580,87590) = 767113220

Least Common Multiple (LCM) of 87580 and 87590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87580 and 87590. First we will calculate the prime factors of 87580 and 87590.

Prime Factorization of 87580

Prime Factorization of 87590

Now multiplying the highest exponent prime factors to calculate the LCM of 87580 and 87590.

LCM(87580,87590) = 2² × 5¹ × 29¹ × 151¹ × 19¹ × 461¹
LCM(87580,87590) = 767113220