What is the Least Common Multiple of 20261 and 20268?

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 20261 and 20268 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20261 and 20268, than apply into the LCM equation.

GCF(20261,20268) = 1
LCM(20261,20268) = ( 20261 × 20268) / 1
LCM(20261,20268) = 410649948 / 1
LCM(20261,20268) = 410649948

Least Common Multiple (LCM) of 20261 and 20268 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20261 and 20268. First we will calculate the prime factors of 20261 and 20268.

Prime Factorization of 20261

Prime Factorization of 20268

Now multiplying the highest exponent prime factors to calculate the LCM of 20261 and 20268.

LCM(20261,20268) = 20261¹ × 2² × 3² × 563¹
LCM(20261,20268) = 410649948