What is the Least Common Multiple of 28842 and 28861?

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 28842 and 28861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28842 and 28861, than apply into the LCM equation.

GCF(28842,28861) = 19
LCM(28842,28861) = ( 28842 × 28861) / 19
LCM(28842,28861) = 832408962 / 19
LCM(28842,28861) = 43810998

Least Common Multiple (LCM) of 28842 and 28861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28842 and 28861. First we will calculate the prime factors of 28842 and 28861.

Prime Factorization of 28842

Prime Factorization of 28861

Now multiplying the highest exponent prime factors to calculate the LCM of 28842 and 28861.

LCM(28842,28861) = 2¹ × 3¹ × 11¹ × 19¹ × 23¹ × 7² × 31¹
LCM(28842,28861) = 43810998