What is the Least Common Multiple of 43287 and 43291?

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 43287 and 43291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43287 and 43291, than apply into the LCM equation.

GCF(43287,43291) = 1
LCM(43287,43291) = ( 43287 × 43291) / 1
LCM(43287,43291) = 1873937517 / 1
LCM(43287,43291) = 1873937517

Least Common Multiple (LCM) of 43287 and 43291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43287 and 43291. First we will calculate the prime factors of 43287 and 43291.

Prime Factorization of 43287

Prime Factorization of 43291

Now multiplying the highest exponent prime factors to calculate the LCM of 43287 and 43291.

LCM(43287,43291) = 3¹ × 47¹ × 307¹ × 43291¹
LCM(43287,43291) = 1873937517