What is the Least Common Multiple of 20011 and 20031?

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 20011 and 20031 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20011 and 20031, than apply into the LCM equation.

GCF(20011,20031) = 1
LCM(20011,20031) = ( 20011 × 20031) / 1
LCM(20011,20031) = 400840341 / 1
LCM(20011,20031) = 400840341

Least Common Multiple (LCM) of 20011 and 20031 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20011 and 20031. First we will calculate the prime factors of 20011 and 20031.

Prime Factorization of 20011

Prime Factorization of 20031

Now multiplying the highest exponent prime factors to calculate the LCM of 20011 and 20031.

LCM(20011,20031) = 20011¹ × 3¹ × 11¹ × 607¹
LCM(20011,20031) = 400840341