What is the Least Common Multiple of 20291 and 20299?

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 20291 and 20299 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20291 and 20299, than apply into the LCM equation.

GCF(20291,20299) = 1
LCM(20291,20299) = ( 20291 × 20299) / 1
LCM(20291,20299) = 411887009 / 1
LCM(20291,20299) = 411887009

Least Common Multiple (LCM) of 20291 and 20299 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20291 and 20299. First we will calculate the prime factors of 20291 and 20299.

Prime Factorization of 20291

Prime Factorization of 20299

Now multiplying the highest exponent prime factors to calculate the LCM of 20291 and 20299.

LCM(20291,20299) = 103¹ × 197¹ × 53¹ × 383¹
LCM(20291,20299) = 411887009