What is the Least Common Multiple of 19105 and 19115?

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 19105 and 19115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19105 and 19115, than apply into the LCM equation.

GCF(19105,19115) = 5
LCM(19105,19115) = ( 19105 × 19115) / 5
LCM(19105,19115) = 365192075 / 5
LCM(19105,19115) = 73038415

Least Common Multiple (LCM) of 19105 and 19115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19105 and 19115. First we will calculate the prime factors of 19105 and 19115.

Prime Factorization of 19105

Prime Factorization of 19115

Now multiplying the highest exponent prime factors to calculate the LCM of 19105 and 19115.

LCM(19105,19115) = 5¹ × 3821¹ × 3823¹
LCM(19105,19115) = 73038415