What is the Least Common Multiple of 7245 and 7257?

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 7245 and 7257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7245 and 7257, than apply into the LCM equation.

GCF(7245,7257) = 3
LCM(7245,7257) = ( 7245 × 7257) / 3
LCM(7245,7257) = 52576965 / 3
LCM(7245,7257) = 17525655

Least Common Multiple (LCM) of 7245 and 7257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7245 and 7257. First we will calculate the prime factors of 7245 and 7257.

Prime Factorization of 7245

Prime Factorization of 7257

Now multiplying the highest exponent prime factors to calculate the LCM of 7245 and 7257.

LCM(7245,7257) = 3² × 5¹ × 7¹ × 23¹ × 41¹ × 59¹
LCM(7245,7257) = 17525655