What is the Least Common Multiple of 45369 and 45381?

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 45369 and 45381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45369 and 45381, than apply into the LCM equation.

GCF(45369,45381) = 3
LCM(45369,45381) = ( 45369 × 45381) / 3
LCM(45369,45381) = 2058890589 / 3
LCM(45369,45381) = 686296863

Least Common Multiple (LCM) of 45369 and 45381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45369 and 45381. First we will calculate the prime factors of 45369 and 45381.

Prime Factorization of 45369

Prime Factorization of 45381

Now multiplying the highest exponent prime factors to calculate the LCM of 45369 and 45381.

LCM(45369,45381) = 3² × 71² × 7¹ × 2161¹
LCM(45369,45381) = 686296863