What is the Least Common Multiple of 42221 and 42227?

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 42221 and 42227 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42221 and 42227, than apply into the LCM equation.

GCF(42221,42227) = 1
LCM(42221,42227) = ( 42221 × 42227) / 1
LCM(42221,42227) = 1782866167 / 1
LCM(42221,42227) = 1782866167

Least Common Multiple (LCM) of 42221 and 42227 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42221 and 42227. First we will calculate the prime factors of 42221 and 42227.

Prime Factorization of 42221

Prime Factorization of 42227

Now multiplying the highest exponent prime factors to calculate the LCM of 42221 and 42227.

LCM(42221,42227) = 42221¹ × 42227¹
LCM(42221,42227) = 1782866167