What is the Least Common Multiple of 28389 and 28397?

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 28389 and 28397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28389 and 28397, than apply into the LCM equation.

GCF(28389,28397) = 1
LCM(28389,28397) = ( 28389 × 28397) / 1
LCM(28389,28397) = 806162433 / 1
LCM(28389,28397) = 806162433

Least Common Multiple (LCM) of 28389 and 28397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28389 and 28397. First we will calculate the prime factors of 28389 and 28397.

Prime Factorization of 28389

Prime Factorization of 28397

Now multiplying the highest exponent prime factors to calculate the LCM of 28389 and 28397.

LCM(28389,28397) = 3¹ × 9463¹ × 73¹ × 389¹
LCM(28389,28397) = 806162433