What is the Least Common Multiple of 72080 and 72086?

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 72080 and 72086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72080 and 72086, than apply into the LCM equation.

GCF(72080,72086) = 2
LCM(72080,72086) = ( 72080 × 72086) / 2
LCM(72080,72086) = 5195958880 / 2
LCM(72080,72086) = 2597979440

Least Common Multiple (LCM) of 72080 and 72086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72080 and 72086. First we will calculate the prime factors of 72080 and 72086.

Prime Factorization of 72080

Prime Factorization of 72086

Now multiplying the highest exponent prime factors to calculate the LCM of 72080 and 72086.

LCM(72080,72086) = 2⁴ × 5¹ × 17¹ × 53¹ × 7¹ × 19¹ × 271¹
LCM(72080,72086) = 2597979440