What is the Least Common Multiple of 86171 and 86180?

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 86171 and 86180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86171 and 86180, than apply into the LCM equation.

GCF(86171,86180) = 1
LCM(86171,86180) = ( 86171 × 86180) / 1
LCM(86171,86180) = 7426216780 / 1
LCM(86171,86180) = 7426216780

Least Common Multiple (LCM) of 86171 and 86180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86171 and 86180. First we will calculate the prime factors of 86171 and 86180.

Prime Factorization of 86171

Prime Factorization of 86180

Now multiplying the highest exponent prime factors to calculate the LCM of 86171 and 86180.

LCM(86171,86180) = 86171¹ × 2² × 5¹ × 31¹ × 139¹
LCM(86171,86180) = 7426216780