What is the Least Common Multiple of 42021 and 42041?

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 42021 and 42041 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42021 and 42041, than apply into the LCM equation.

GCF(42021,42041) = 1
LCM(42021,42041) = ( 42021 × 42041) / 1
LCM(42021,42041) = 1766604861 / 1
LCM(42021,42041) = 1766604861

Least Common Multiple (LCM) of 42021 and 42041 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42021 and 42041. First we will calculate the prime factors of 42021 and 42041.

Prime Factorization of 42021

Prime Factorization of 42041

Now multiplying the highest exponent prime factors to calculate the LCM of 42021 and 42041.

LCM(42021,42041) = 3² × 7¹ × 23¹ × 29¹ × 17¹ × 2473¹
LCM(42021,42041) = 1766604861