What is the Least Common Multiple of 64173 and 64191?

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 64173 and 64191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64173 and 64191, than apply into the LCM equation.

GCF(64173,64191) = 3
LCM(64173,64191) = ( 64173 × 64191) / 3
LCM(64173,64191) = 4119329043 / 3
LCM(64173,64191) = 1373109681

Least Common Multiple (LCM) of 64173 and 64191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64173 and 64191. First we will calculate the prime factors of 64173 and 64191.

Prime Factorization of 64173

Prime Factorization of 64191

Now multiplying the highest exponent prime factors to calculate the LCM of 64173 and 64191.

LCM(64173,64191) = 3¹ × 21391¹ × 21397¹
LCM(64173,64191) = 1373109681