What is the Least Common Multiple of 86509 and 86513?

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 86509 and 86513 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86509 and 86513, than apply into the LCM equation.

GCF(86509,86513) = 1
LCM(86509,86513) = ( 86509 × 86513) / 1
LCM(86509,86513) = 7484153117 / 1
LCM(86509,86513) = 7484153117

Least Common Multiple (LCM) of 86509 and 86513 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86509 and 86513. First we will calculate the prime factors of 86509 and 86513.

Prime Factorization of 86509

Prime Factorization of 86513

Now multiplying the highest exponent prime factors to calculate the LCM of 86509 and 86513.

LCM(86509,86513) = 86509¹ × 7¹ × 17¹ × 727¹
LCM(86509,86513) = 7484153117