What is the Least Common Multiple of 28665 and 28683?

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 28665 and 28683 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28665 and 28683, than apply into the LCM equation.

GCF(28665,28683) = 9
LCM(28665,28683) = ( 28665 × 28683) / 9
LCM(28665,28683) = 822198195 / 9
LCM(28665,28683) = 91355355

Least Common Multiple (LCM) of 28665 and 28683 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28665 and 28683. First we will calculate the prime factors of 28665 and 28683.

Prime Factorization of 28665

Prime Factorization of 28683

Now multiplying the highest exponent prime factors to calculate the LCM of 28665 and 28683.

LCM(28665,28683) = 3² × 5¹ × 7² × 13¹ × 3187¹
LCM(28665,28683) = 91355355