What is the Least Common Multiple of 10080 and 10091?

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 10080 and 10091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10080 and 10091, than apply into the LCM equation.

GCF(10080,10091) = 1
LCM(10080,10091) = ( 10080 × 10091) / 1
LCM(10080,10091) = 101717280 / 1
LCM(10080,10091) = 101717280

Least Common Multiple (LCM) of 10080 and 10091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10080 and 10091. First we will calculate the prime factors of 10080 and 10091.

Prime Factorization of 10080

Prime Factorization of 10091

Now multiplying the highest exponent prime factors to calculate the LCM of 10080 and 10091.

LCM(10080,10091) = 2⁵ × 3² × 5¹ × 7¹ × 10091¹
LCM(10080,10091) = 101717280