What is the Least Common Multiple of 27430 and 27443?

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 27430 and 27443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27430 and 27443, than apply into the LCM equation.

GCF(27430,27443) = 13
LCM(27430,27443) = ( 27430 × 27443) / 13
LCM(27430,27443) = 752761490 / 13
LCM(27430,27443) = 57904730

Least Common Multiple (LCM) of 27430 and 27443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27430 and 27443. First we will calculate the prime factors of 27430 and 27443.

Prime Factorization of 27430

Prime Factorization of 27443

Now multiplying the highest exponent prime factors to calculate the LCM of 27430 and 27443.

LCM(27430,27443) = 2¹ × 5¹ × 13¹ × 211¹ × 2111¹
LCM(27430,27443) = 57904730