What is the Least Common Multiple of 80670 and 80686?

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 80670 and 80686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80670 and 80686, than apply into the LCM equation.

GCF(80670,80686) = 2
LCM(80670,80686) = ( 80670 × 80686) / 2
LCM(80670,80686) = 6508939620 / 2
LCM(80670,80686) = 3254469810

Least Common Multiple (LCM) of 80670 and 80686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80670 and 80686. First we will calculate the prime factors of 80670 and 80686.

Prime Factorization of 80670

Prime Factorization of 80686

Now multiplying the highest exponent prime factors to calculate the LCM of 80670 and 80686.

LCM(80670,80686) = 2¹ × 3¹ × 5¹ × 2689¹ × 40343¹
LCM(80670,80686) = 3254469810