What is the Least Common Multiple of 4431 and 4442?

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 4431 and 4442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4431 and 4442, than apply into the LCM equation.

GCF(4431,4442) = 1
LCM(4431,4442) = ( 4431 × 4442) / 1
LCM(4431,4442) = 19682502 / 1
LCM(4431,4442) = 19682502

Least Common Multiple (LCM) of 4431 and 4442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4431 and 4442. First we will calculate the prime factors of 4431 and 4442.

Prime Factorization of 4431

Prime Factorization of 4442

Now multiplying the highest exponent prime factors to calculate the LCM of 4431 and 4442.

LCM(4431,4442) = 3¹ × 7¹ × 211¹ × 2¹ × 2221¹
LCM(4431,4442) = 19682502