What is the Least Common Multiple of 64871 and 64891?

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 64871 and 64891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64871 and 64891, than apply into the LCM equation.

GCF(64871,64891) = 1
LCM(64871,64891) = ( 64871 × 64891) / 1
LCM(64871,64891) = 4209544061 / 1
LCM(64871,64891) = 4209544061

Least Common Multiple (LCM) of 64871 and 64891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64871 and 64891. First we will calculate the prime factors of 64871 and 64891.

Prime Factorization of 64871

Prime Factorization of 64891

Now multiplying the highest exponent prime factors to calculate the LCM of 64871 and 64891.

LCM(64871,64891) = 64871¹ × 64891¹
LCM(64871,64891) = 4209544061