What is the Least Common Multiple of 28430 and 28443?

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 28430 and 28443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28430 and 28443, than apply into the LCM equation.

GCF(28430,28443) = 1
LCM(28430,28443) = ( 28430 × 28443) / 1
LCM(28430,28443) = 808634490 / 1
LCM(28430,28443) = 808634490

Least Common Multiple (LCM) of 28430 and 28443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28430 and 28443. First we will calculate the prime factors of 28430 and 28443.

Prime Factorization of 28430

Prime Factorization of 28443

Now multiplying the highest exponent prime factors to calculate the LCM of 28430 and 28443.

LCM(28430,28443) = 2¹ × 5¹ × 2843¹ × 3¹ × 19¹ × 499¹
LCM(28430,28443) = 808634490