What is the Least Common Multiple of 42813 and 42817?

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 42813 and 42817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42813 and 42817, than apply into the LCM equation.

GCF(42813,42817) = 1
LCM(42813,42817) = ( 42813 × 42817) / 1
LCM(42813,42817) = 1833124221 / 1
LCM(42813,42817) = 1833124221

Least Common Multiple (LCM) of 42813 and 42817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42813 and 42817. First we will calculate the prime factors of 42813 and 42817.

Prime Factorization of 42813

Prime Factorization of 42817

Now multiplying the highest exponent prime factors to calculate the LCM of 42813 and 42817.

LCM(42813,42817) = 3² × 67¹ × 71¹ × 47¹ × 911¹
LCM(42813,42817) = 1833124221