What is the Least Common Multiple of 21834 and 21851?

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 21834 and 21851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21834 and 21851, than apply into the LCM equation.

GCF(21834,21851) = 1
LCM(21834,21851) = ( 21834 × 21851) / 1
LCM(21834,21851) = 477094734 / 1
LCM(21834,21851) = 477094734

Least Common Multiple (LCM) of 21834 and 21851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21834 and 21851. First we will calculate the prime factors of 21834 and 21851.

Prime Factorization of 21834

Prime Factorization of 21851

Now multiplying the highest exponent prime factors to calculate the LCM of 21834 and 21851.

LCM(21834,21851) = 2¹ × 3² × 1213¹ × 21851¹
LCM(21834,21851) = 477094734