What is the Least Common Multiple of 91091 and 91104?

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 91091 and 91104 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91091 and 91104, than apply into the LCM equation.

GCF(91091,91104) = 13
LCM(91091,91104) = ( 91091 × 91104) / 13
LCM(91091,91104) = 8298754464 / 13
LCM(91091,91104) = 638365728

Least Common Multiple (LCM) of 91091 and 91104 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91091 and 91104. First we will calculate the prime factors of 91091 and 91104.

Prime Factorization of 91091

Prime Factorization of 91104

Now multiplying the highest exponent prime factors to calculate the LCM of 91091 and 91104.

LCM(91091,91104) = 7² × 11¹ × 13² × 2⁵ × 3¹ × 73¹
LCM(91091,91104) = 638365728