What is the Least Common Multiple of 40224 and 40243?

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 40224 and 40243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40224 and 40243, than apply into the LCM equation.

GCF(40224,40243) = 1
LCM(40224,40243) = ( 40224 × 40243) / 1
LCM(40224,40243) = 1618734432 / 1
LCM(40224,40243) = 1618734432

Least Common Multiple (LCM) of 40224 and 40243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40224 and 40243. First we will calculate the prime factors of 40224 and 40243.

Prime Factorization of 40224

Prime Factorization of 40243

Now multiplying the highest exponent prime factors to calculate the LCM of 40224 and 40243.

LCM(40224,40243) = 2⁵ × 3¹ × 419¹ × 7¹ × 5749¹
LCM(40224,40243) = 1618734432