What is the Least Common Multiple of 91889 and 91909?

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 91889 and 91909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91889 and 91909, than apply into the LCM equation.

GCF(91889,91909) = 1
LCM(91889,91909) = ( 91889 × 91909) / 1
LCM(91889,91909) = 8445426101 / 1
LCM(91889,91909) = 8445426101

Least Common Multiple (LCM) of 91889 and 91909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91889 and 91909. First we will calculate the prime factors of 91889 and 91909.

Prime Factorization of 91889

Prime Factorization of 91909

Now multiplying the highest exponent prime factors to calculate the LCM of 91889 and 91909.

LCM(91889,91909) = 7¹ × 13127¹ × 91909¹
LCM(91889,91909) = 8445426101