What is the Least Common Multiple of 87590 and 87609?

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 87590 and 87609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87590 and 87609, than apply into the LCM equation.

GCF(87590,87609) = 19
LCM(87590,87609) = ( 87590 × 87609) / 19
LCM(87590,87609) = 7673672310 / 19
LCM(87590,87609) = 403877490

Least Common Multiple (LCM) of 87590 and 87609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87590 and 87609. First we will calculate the prime factors of 87590 and 87609.

Prime Factorization of 87590

Prime Factorization of 87609

Now multiplying the highest exponent prime factors to calculate the LCM of 87590 and 87609.

LCM(87590,87609) = 2¹ × 5¹ × 19¹ × 461¹ × 3¹ × 29¹ × 53¹
LCM(87590,87609) = 403877490