What is the Least Common Multiple of 19071 and 19080?

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 19071 and 19080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19071 and 19080, than apply into the LCM equation.

GCF(19071,19080) = 9
LCM(19071,19080) = ( 19071 × 19080) / 9
LCM(19071,19080) = 363874680 / 9
LCM(19071,19080) = 40430520

Least Common Multiple (LCM) of 19071 and 19080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19071 and 19080. First we will calculate the prime factors of 19071 and 19080.

Prime Factorization of 19071

Prime Factorization of 19080

Now multiplying the highest exponent prime factors to calculate the LCM of 19071 and 19080.

LCM(19071,19080) = 3² × 13¹ × 163¹ × 2³ × 5¹ × 53¹
LCM(19071,19080) = 40430520