What is the Least Common Multiple of 20231 and 20243?

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 20231 and 20243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20231 and 20243, than apply into the LCM equation.

GCF(20231,20243) = 1
LCM(20231,20243) = ( 20231 × 20243) / 1
LCM(20231,20243) = 409536133 / 1
LCM(20231,20243) = 409536133

Least Common Multiple (LCM) of 20231 and 20243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20231 and 20243. First we will calculate the prime factors of 20231 and 20243.

Prime Factorization of 20231

Prime Factorization of 20243

Now multiplying the highest exponent prime factors to calculate the LCM of 20231 and 20243.

LCM(20231,20243) = 20231¹ × 31¹ × 653¹
LCM(20231,20243) = 409536133