What is the Least Common Multiple of 28438 and 28444?

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 28438 and 28444 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28438 and 28444, than apply into the LCM equation.

GCF(28438,28444) = 2
LCM(28438,28444) = ( 28438 × 28444) / 2
LCM(28438,28444) = 808890472 / 2
LCM(28438,28444) = 404445236

Least Common Multiple (LCM) of 28438 and 28444 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28438 and 28444. First we will calculate the prime factors of 28438 and 28444.

Prime Factorization of 28438

Prime Factorization of 28444

Now multiplying the highest exponent prime factors to calculate the LCM of 28438 and 28444.

LCM(28438,28444) = 2² × 59¹ × 241¹ × 13¹ × 547¹
LCM(28438,28444) = 404445236