What is the Least Common Multiple of 87661 and 87679?

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 87661 and 87679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87661 and 87679, than apply into the LCM equation.

GCF(87661,87679) = 1
LCM(87661,87679) = ( 87661 × 87679) / 1
LCM(87661,87679) = 7686028819 / 1
LCM(87661,87679) = 7686028819

Least Common Multiple (LCM) of 87661 and 87679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87661 and 87679. First we will calculate the prime factors of 87661 and 87679.

Prime Factorization of 87661

Prime Factorization of 87679

Now multiplying the highest exponent prime factors to calculate the LCM of 87661 and 87679.

LCM(87661,87679) = 7² × 1789¹ × 87679¹
LCM(87661,87679) = 7686028819