What is the Least Common Multiple of 80160 and 80180?

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 80160 and 80180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80160 and 80180, than apply into the LCM equation.

GCF(80160,80180) = 20
LCM(80160,80180) = ( 80160 × 80180) / 20
LCM(80160,80180) = 6427228800 / 20
LCM(80160,80180) = 321361440

Least Common Multiple (LCM) of 80160 and 80180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80160 and 80180. First we will calculate the prime factors of 80160 and 80180.

Prime Factorization of 80160

Prime Factorization of 80180

Now multiplying the highest exponent prime factors to calculate the LCM of 80160 and 80180.

LCM(80160,80180) = 2⁵ × 3¹ × 5¹ × 167¹ × 19¹ × 211¹
LCM(80160,80180) = 321361440