What is the Least Common Multiple of 28540 and 28559?

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 28540 and 28559 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28540 and 28559, than apply into the LCM equation.

GCF(28540,28559) = 1
LCM(28540,28559) = ( 28540 × 28559) / 1
LCM(28540,28559) = 815073860 / 1
LCM(28540,28559) = 815073860

Least Common Multiple (LCM) of 28540 and 28559 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28540 and 28559. First we will calculate the prime factors of 28540 and 28559.

Prime Factorization of 28540

Prime Factorization of 28559

Now multiplying the highest exponent prime factors to calculate the LCM of 28540 and 28559.

LCM(28540,28559) = 2² × 5¹ × 1427¹ × 28559¹
LCM(28540,28559) = 815073860