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What is the Least Common Multiple of 20043 and 20056?

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 (LCM) of 20043 and 20056 is 401982408.

LCM(20043,20056) = 401982408

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Least Common Multiple of 20043 and 20056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20043 and 20056, than apply into the LCM equation.

GCF(20043,20056) = 1
LCM(20043,20056) = ( 20043 × 20056) / 1
LCM(20043,20056) = 401982408 / 1
LCM(20043,20056) = 401982408

Least Common Multiple (LCM) of 20043 and 20056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20043 and 20056. First we will calculate the prime factors of 20043 and 20056.

Prime Factorization of 20043

Prime factors of 20043 are 3, 17, 131. Prime factorization of 20043 in exponential form is:

20043 = 32 × 171 × 1311

Prime Factorization of 20056

Prime factors of 20056 are 2, 23, 109. Prime factorization of 20056 in exponential form is:

20056 = 23 × 231 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 20043 and 20056.

LCM(20043,20056) = 32 × 171 × 1311 × 23 × 231 × 1091
LCM(20043,20056) = 401982408