What is the Least Common Multiple of 43215 and 43232?

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 43215 and 43232 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43215 and 43232, than apply into the LCM equation.

GCF(43215,43232) = 1
LCM(43215,43232) = ( 43215 × 43232) / 1
LCM(43215,43232) = 1868270880 / 1
LCM(43215,43232) = 1868270880

Least Common Multiple (LCM) of 43215 and 43232 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43215 and 43232. First we will calculate the prime factors of 43215 and 43232.

Prime Factorization of 43215

Prime Factorization of 43232

Now multiplying the highest exponent prime factors to calculate the LCM of 43215 and 43232.

LCM(43215,43232) = 3¹ × 5¹ × 43¹ × 67¹ × 2⁵ × 7¹ × 193¹
LCM(43215,43232) = 1868270880