What is the Least Common Multiple of 42831 and 42839?

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 42831 and 42839 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42831 and 42839, than apply into the LCM equation.

GCF(42831,42839) = 1
LCM(42831,42839) = ( 42831 × 42839) / 1
LCM(42831,42839) = 1834837209 / 1
LCM(42831,42839) = 1834837209

Least Common Multiple (LCM) of 42831 and 42839 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42831 and 42839. First we will calculate the prime factors of 42831 and 42839.

Prime Factorization of 42831

Prime Factorization of 42839

Now multiplying the highest exponent prime factors to calculate the LCM of 42831 and 42839.

LCM(42831,42839) = 3² × 4759¹ × 42839¹
LCM(42831,42839) = 1834837209