What is the Least Common Multiple of 56287 and 56291?

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 56287 and 56291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56287 and 56291, than apply into the LCM equation.

GCF(56287,56291) = 1
LCM(56287,56291) = ( 56287 × 56291) / 1
LCM(56287,56291) = 3168451517 / 1
LCM(56287,56291) = 3168451517

Least Common Multiple (LCM) of 56287 and 56291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56287 and 56291. First we will calculate the prime factors of 56287 and 56291.

Prime Factorization of 56287

Prime Factorization of 56291

Now multiplying the highest exponent prime factors to calculate the LCM of 56287 and 56291.

LCM(56287,56291) = 7¹ × 11¹ × 17¹ × 43¹ × 181¹ × 311¹
LCM(56287,56291) = 3168451517