What is the Least Common Multiple of 18515 and 18522?

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 18515 and 18522 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18515 and 18522, than apply into the LCM equation.

GCF(18515,18522) = 7
LCM(18515,18522) = ( 18515 × 18522) / 7
LCM(18515,18522) = 342934830 / 7
LCM(18515,18522) = 48990690

Least Common Multiple (LCM) of 18515 and 18522 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18515 and 18522. First we will calculate the prime factors of 18515 and 18522.

Prime Factorization of 18515

Prime Factorization of 18522

Now multiplying the highest exponent prime factors to calculate the LCM of 18515 and 18522.

LCM(18515,18522) = 5¹ × 7³ × 23² × 2¹ × 3³
LCM(18515,18522) = 48990690