What is the Least Common Multiple of 72432 and 72443?

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 72432 and 72443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72432 and 72443, than apply into the LCM equation.

GCF(72432,72443) = 1
LCM(72432,72443) = ( 72432 × 72443) / 1
LCM(72432,72443) = 5247191376 / 1
LCM(72432,72443) = 5247191376

Least Common Multiple (LCM) of 72432 and 72443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72432 and 72443. First we will calculate the prime factors of 72432 and 72443.

Prime Factorization of 72432

Prime Factorization of 72443

Now multiplying the highest exponent prime factors to calculate the LCM of 72432 and 72443.

LCM(72432,72443) = 2⁴ × 3² × 503¹ × 7¹ × 79¹ × 131¹
LCM(72432,72443) = 5247191376