What is the Least Common Multiple of 28730 and 28743?

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 28730 and 28743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28730 and 28743, than apply into the LCM equation.

GCF(28730,28743) = 13
LCM(28730,28743) = ( 28730 × 28743) / 13
LCM(28730,28743) = 825786390 / 13
LCM(28730,28743) = 63522030

Least Common Multiple (LCM) of 28730 and 28743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28730 and 28743. First we will calculate the prime factors of 28730 and 28743.

Prime Factorization of 28730

Prime Factorization of 28743

Now multiplying the highest exponent prime factors to calculate the LCM of 28730 and 28743.

LCM(28730,28743) = 2¹ × 5¹ × 13² × 17¹ × 3¹ × 11¹ × 67¹
LCM(28730,28743) = 63522030