What is the Least Common Multiple of 7275 and 7281?

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 7275 and 7281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7275 and 7281, than apply into the LCM equation.

GCF(7275,7281) = 3
LCM(7275,7281) = ( 7275 × 7281) / 3
LCM(7275,7281) = 52969275 / 3
LCM(7275,7281) = 17656425

Least Common Multiple (LCM) of 7275 and 7281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7275 and 7281. First we will calculate the prime factors of 7275 and 7281.

Prime Factorization of 7275

Prime Factorization of 7281

Now multiplying the highest exponent prime factors to calculate the LCM of 7275 and 7281.

LCM(7275,7281) = 3² × 5² × 97¹ × 809¹
LCM(7275,7281) = 17656425