What is the Least Common Multiple of 91857 and 91869?

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 91857 and 91869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91857 and 91869, than apply into the LCM equation.

GCF(91857,91869) = 3
LCM(91857,91869) = ( 91857 × 91869) / 3
LCM(91857,91869) = 8438810733 / 3
LCM(91857,91869) = 2812936911

Least Common Multiple (LCM) of 91857 and 91869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91857 and 91869. First we will calculate the prime factors of 91857 and 91869.

Prime Factorization of 91857

Prime Factorization of 91869

Now multiplying the highest exponent prime factors to calculate the LCM of 91857 and 91869.

LCM(91857,91869) = 3¹ × 67¹ × 457¹ × 113¹ × 271¹
LCM(91857,91869) = 2812936911