What is the Least Common Multiple of 42081 and 42101?

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 42081 and 42101 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42081 and 42101, than apply into the LCM equation.

GCF(42081,42101) = 1
LCM(42081,42101) = ( 42081 × 42101) / 1
LCM(42081,42101) = 1771652181 / 1
LCM(42081,42101) = 1771652181

Least Common Multiple (LCM) of 42081 and 42101 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42081 and 42101. First we will calculate the prime factors of 42081 and 42101.

Prime Factorization of 42081

Prime Factorization of 42101

Now multiplying the highest exponent prime factors to calculate the LCM of 42081 and 42101.

LCM(42081,42101) = 3¹ × 13² × 83¹ × 42101¹
LCM(42081,42101) = 1771652181