What is the Least Common Multiple of 47438 and 47442?

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 47438 and 47442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47438 and 47442, than apply into the LCM equation.

GCF(47438,47442) = 2
LCM(47438,47442) = ( 47438 × 47442) / 2
LCM(47438,47442) = 2250553596 / 2
LCM(47438,47442) = 1125276798

Least Common Multiple (LCM) of 47438 and 47442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47438 and 47442. First we will calculate the prime factors of 47438 and 47442.

Prime Factorization of 47438

Prime Factorization of 47442

Now multiplying the highest exponent prime factors to calculate the LCM of 47438 and 47442.

LCM(47438,47442) = 2¹ × 23719¹ × 3¹ × 7907¹
LCM(47438,47442) = 1125276798