What is the Least Common Multiple of 20112 and 20122?

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 20112 and 20122 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20112 and 20122, than apply into the LCM equation.

GCF(20112,20122) = 2
LCM(20112,20122) = ( 20112 × 20122) / 2
LCM(20112,20122) = 404693664 / 2
LCM(20112,20122) = 202346832

Least Common Multiple (LCM) of 20112 and 20122 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20112 and 20122. First we will calculate the prime factors of 20112 and 20122.

Prime Factorization of 20112

Prime Factorization of 20122

Now multiplying the highest exponent prime factors to calculate the LCM of 20112 and 20122.

LCM(20112,20122) = 2⁴ × 3¹ × 419¹ × 10061¹
LCM(20112,20122) = 202346832