What is the Least Common Multiple of 19511 and 19519?

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 19511 and 19519 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19511 and 19519, than apply into the LCM equation.

GCF(19511,19519) = 1
LCM(19511,19519) = ( 19511 × 19519) / 1
LCM(19511,19519) = 380835209 / 1
LCM(19511,19519) = 380835209

Least Common Multiple (LCM) of 19511 and 19519 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19511 and 19519. First we will calculate the prime factors of 19511 and 19519.

Prime Factorization of 19511

Prime Factorization of 19519

Now multiplying the highest exponent prime factors to calculate the LCM of 19511 and 19519.

LCM(19511,19519) = 109¹ × 179¹ × 131¹ × 149¹
LCM(19511,19519) = 380835209