What is the Least Common Multiple of 28245 and 28260?

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 28245 and 28260 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28245 and 28260, than apply into the LCM equation.

GCF(28245,28260) = 15
LCM(28245,28260) = ( 28245 × 28260) / 15
LCM(28245,28260) = 798203700 / 15
LCM(28245,28260) = 53213580

Least Common Multiple (LCM) of 28245 and 28260 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28245 and 28260. First we will calculate the prime factors of 28245 and 28260.

Prime Factorization of 28245

Prime Factorization of 28260

Now multiplying the highest exponent prime factors to calculate the LCM of 28245 and 28260.

LCM(28245,28260) = 3² × 5¹ × 7¹ × 269¹ × 2² × 157¹
LCM(28245,28260) = 53213580