What is the Least Common Multiple of 18871 and 18887?

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 18871 and 18887 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18871 and 18887, than apply into the LCM equation.

GCF(18871,18887) = 1
LCM(18871,18887) = ( 18871 × 18887) / 1
LCM(18871,18887) = 356416577 / 1
LCM(18871,18887) = 356416577

Least Common Multiple (LCM) of 18871 and 18887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18871 and 18887. First we will calculate the prime factors of 18871 and 18887.

Prime Factorization of 18871

Prime Factorization of 18887

Now multiplying the highest exponent prime factors to calculate the LCM of 18871 and 18887.

LCM(18871,18887) = 113¹ × 167¹ × 11¹ × 17¹ × 101¹
LCM(18871,18887) = 356416577