What is the Least Common Multiple of 65287 and 65291?

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 65287 and 65291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65287 and 65291, than apply into the LCM equation.

GCF(65287,65291) = 1
LCM(65287,65291) = ( 65287 × 65291) / 1
LCM(65287,65291) = 4262653517 / 1
LCM(65287,65291) = 4262653517

Least Common Multiple (LCM) of 65287 and 65291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65287 and 65291. First we will calculate the prime factors of 65287 and 65291.

Prime Factorization of 65287

Prime Factorization of 65291

Now multiplying the highest exponent prime factors to calculate the LCM of 65287 and 65291.

LCM(65287,65291) = 65287¹ × 109¹ × 599¹
LCM(65287,65291) = 4262653517