What is the Least Common Multiple of 3871 and 3889?

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 3871 and 3889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3871 and 3889, than apply into the LCM equation.

GCF(3871,3889) = 1
LCM(3871,3889) = ( 3871 × 3889) / 1
LCM(3871,3889) = 15054319 / 1
LCM(3871,3889) = 15054319

Least Common Multiple (LCM) of 3871 and 3889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3871 and 3889. First we will calculate the prime factors of 3871 and 3889.

Prime Factorization of 3871

Prime Factorization of 3889

Now multiplying the highest exponent prime factors to calculate the LCM of 3871 and 3889.

LCM(3871,3889) = 7² × 79¹ × 3889¹
LCM(3871,3889) = 15054319