What is the Least Common Multiple of 21576 and 21593?

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 21576 and 21593 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21576 and 21593, than apply into the LCM equation.

GCF(21576,21593) = 1
LCM(21576,21593) = ( 21576 × 21593) / 1
LCM(21576,21593) = 465890568 / 1
LCM(21576,21593) = 465890568

Least Common Multiple (LCM) of 21576 and 21593 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21576 and 21593. First we will calculate the prime factors of 21576 and 21593.

Prime Factorization of 21576

Prime Factorization of 21593

Now multiplying the highest exponent prime factors to calculate the LCM of 21576 and 21593.

LCM(21576,21593) = 2³ × 3¹ × 29¹ × 31¹ × 11¹ × 13¹ × 151¹
LCM(21576,21593) = 465890568