What is the Least Common Multiple of 28287 and 28307?

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 28287 and 28307 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28287 and 28307, than apply into the LCM equation.

GCF(28287,28307) = 1
LCM(28287,28307) = ( 28287 × 28307) / 1
LCM(28287,28307) = 800720109 / 1
LCM(28287,28307) = 800720109

Least Common Multiple (LCM) of 28287 and 28307 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28287 and 28307. First we will calculate the prime factors of 28287 and 28307.

Prime Factorization of 28287

Prime Factorization of 28307

Now multiplying the highest exponent prime factors to calculate the LCM of 28287 and 28307.

LCM(28287,28307) = 3² × 7¹ × 449¹ × 28307¹
LCM(28287,28307) = 800720109