What is the Least Common Multiple of 80040 and 80047?

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 80040 and 80047 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80040 and 80047, than apply into the LCM equation.

GCF(80040,80047) = 1
LCM(80040,80047) = ( 80040 × 80047) / 1
LCM(80040,80047) = 6406961880 / 1
LCM(80040,80047) = 6406961880

Least Common Multiple (LCM) of 80040 and 80047 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80040 and 80047. First we will calculate the prime factors of 80040 and 80047.

Prime Factorization of 80040

Prime Factorization of 80047

Now multiplying the highest exponent prime factors to calculate the LCM of 80040 and 80047.

LCM(80040,80047) = 2³ × 3¹ × 5¹ × 23¹ × 29¹ × 11¹ × 19¹ × 383¹
LCM(80040,80047) = 6406961880