What is the Least Common Multiple of 86555 and 86561?

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 86555 and 86561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86555 and 86561, than apply into the LCM equation.

GCF(86555,86561) = 1
LCM(86555,86561) = ( 86555 × 86561) / 1
LCM(86555,86561) = 7492287355 / 1
LCM(86555,86561) = 7492287355

Least Common Multiple (LCM) of 86555 and 86561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86555 and 86561. First we will calculate the prime factors of 86555 and 86561.

Prime Factorization of 86555

Prime Factorization of 86561

Now multiplying the highest exponent prime factors to calculate the LCM of 86555 and 86561.

LCM(86555,86561) = 5¹ × 7¹ × 2473¹ × 86561¹
LCM(86555,86561) = 7492287355