What is the Least Common Multiple of 65381 and 65388?

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 65381 and 65388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65381 and 65388, than apply into the LCM equation.

GCF(65381,65388) = 1
LCM(65381,65388) = ( 65381 × 65388) / 1
LCM(65381,65388) = 4275132828 / 1
LCM(65381,65388) = 4275132828

Least Common Multiple (LCM) of 65381 and 65388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65381 and 65388. First we will calculate the prime factors of 65381 and 65388.

Prime Factorization of 65381

Prime Factorization of 65388

Now multiplying the highest exponent prime factors to calculate the LCM of 65381 and 65388.

LCM(65381,65388) = 65381¹ × 2² × 3¹ × 5449¹
LCM(65381,65388) = 4275132828