What is the Least Common Multiple of 19474 and 19487?

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 19474 and 19487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19474 and 19487, than apply into the LCM equation.

GCF(19474,19487) = 13
LCM(19474,19487) = ( 19474 × 19487) / 13
LCM(19474,19487) = 379489838 / 13
LCM(19474,19487) = 29191526

Least Common Multiple (LCM) of 19474 and 19487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19474 and 19487. First we will calculate the prime factors of 19474 and 19487.

Prime Factorization of 19474

Prime Factorization of 19487

Now multiplying the highest exponent prime factors to calculate the LCM of 19474 and 19487.

LCM(19474,19487) = 2¹ × 7¹ × 13¹ × 107¹ × 1499¹
LCM(19474,19487) = 29191526