What is the Least Common Multiple of 23281 and 23290?

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 23281 and 23290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23281 and 23290, than apply into the LCM equation.

GCF(23281,23290) = 1
LCM(23281,23290) = ( 23281 × 23290) / 1
LCM(23281,23290) = 542214490 / 1
LCM(23281,23290) = 542214490

Least Common Multiple (LCM) of 23281 and 23290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23281 and 23290. First we will calculate the prime factors of 23281 and 23290.

Prime Factorization of 23281

Prime Factorization of 23290

Now multiplying the highest exponent prime factors to calculate the LCM of 23281 and 23290.

LCM(23281,23290) = 31¹ × 751¹ × 2¹ × 5¹ × 17¹ × 137¹
LCM(23281,23290) = 542214490