What is the Least Common Multiple of 91511 and 91521?

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 91511 and 91521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91511 and 91521, than apply into the LCM equation.

GCF(91511,91521) = 1
LCM(91511,91521) = ( 91511 × 91521) / 1
LCM(91511,91521) = 8375178231 / 1
LCM(91511,91521) = 8375178231

Least Common Multiple (LCM) of 91511 and 91521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91511 and 91521. First we will calculate the prime factors of 91511 and 91521.

Prime Factorization of 91511

Prime Factorization of 91521

Now multiplying the highest exponent prime factors to calculate the LCM of 91511 and 91521.

LCM(91511,91521) = 7¹ × 17¹ × 769¹ × 3² × 10169¹
LCM(91511,91521) = 8375178231