What is the Least Common Multiple of 4423 and 4436?

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 4423 and 4436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4423 and 4436, than apply into the LCM equation.

GCF(4423,4436) = 1
LCM(4423,4436) = ( 4423 × 4436) / 1
LCM(4423,4436) = 19620428 / 1
LCM(4423,4436) = 19620428

Least Common Multiple (LCM) of 4423 and 4436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4423 and 4436. First we will calculate the prime factors of 4423 and 4436.

Prime Factorization of 4423

Prime Factorization of 4436

Now multiplying the highest exponent prime factors to calculate the LCM of 4423 and 4436.

LCM(4423,4436) = 4423¹ × 2² × 1109¹
LCM(4423,4436) = 19620428