What is the Least Common Multiple of 86109 and 86115?

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 86109 and 86115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86109 and 86115, than apply into the LCM equation.

GCF(86109,86115) = 3
LCM(86109,86115) = ( 86109 × 86115) / 3
LCM(86109,86115) = 7415276535 / 3
LCM(86109,86115) = 2471758845

Least Common Multiple (LCM) of 86109 and 86115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86109 and 86115. First we will calculate the prime factors of 86109 and 86115.

Prime Factorization of 86109

Prime Factorization of 86115

Now multiplying the highest exponent prime factors to calculate the LCM of 86109 and 86115.

LCM(86109,86115) = 3¹ × 28703¹ × 5¹ × 5741¹
LCM(86109,86115) = 2471758845