What is the Least Common Multiple of 87621 and 87631?

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 87621 and 87631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87621 and 87631, than apply into the LCM equation.

GCF(87621,87631) = 1
LCM(87621,87631) = ( 87621 × 87631) / 1
LCM(87621,87631) = 7678315851 / 1
LCM(87621,87631) = 7678315851

Least Common Multiple (LCM) of 87621 and 87631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87621 and 87631. First we will calculate the prime factors of 87621 and 87631.

Prime Factorization of 87621

Prime Factorization of 87631

Now multiplying the highest exponent prime factors to calculate the LCM of 87621 and 87631.

LCM(87621,87631) = 3¹ × 29207¹ × 87631¹
LCM(87621,87631) = 7678315851