What is the Least Common Multiple of 87740 and 87759?

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 87740 and 87759 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87740 and 87759, than apply into the LCM equation.

GCF(87740,87759) = 1
LCM(87740,87759) = ( 87740 × 87759) / 1
LCM(87740,87759) = 7699974660 / 1
LCM(87740,87759) = 7699974660

Least Common Multiple (LCM) of 87740 and 87759 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87740 and 87759. First we will calculate the prime factors of 87740 and 87759.

Prime Factorization of 87740

Prime Factorization of 87759

Now multiplying the highest exponent prime factors to calculate the LCM of 87740 and 87759.

LCM(87740,87759) = 2² × 5¹ × 41¹ × 107¹ × 3² × 7² × 199¹
LCM(87740,87759) = 7699974660