What is the Least Common Multiple of 28146 and 28154?

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 28146 and 28154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28146 and 28154, than apply into the LCM equation.

GCF(28146,28154) = 2
LCM(28146,28154) = ( 28146 × 28154) / 2
LCM(28146,28154) = 792422484 / 2
LCM(28146,28154) = 396211242

Least Common Multiple (LCM) of 28146 and 28154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28146 and 28154. First we will calculate the prime factors of 28146 and 28154.

Prime Factorization of 28146

Prime Factorization of 28154

Now multiplying the highest exponent prime factors to calculate the LCM of 28146 and 28154.

LCM(28146,28154) = 2¹ × 3¹ × 4691¹ × 7¹ × 2011¹
LCM(28146,28154) = 396211242