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What is the Least Common Multiple of 20477 and 20487?

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 20477 and 20487 is 419512299.

LCM(20477,20487) = 419512299

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Least Common Multiple of 20477 and 20487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20477 and 20487, than apply into the LCM equation.

GCF(20477,20487) = 1
LCM(20477,20487) = ( 20477 × 20487) / 1
LCM(20477,20487) = 419512299 / 1
LCM(20477,20487) = 419512299

Least Common Multiple (LCM) of 20477 and 20487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20477 and 20487. First we will calculate the prime factors of 20477 and 20487.

Prime Factorization of 20477

Prime factors of 20477 are 20477. Prime factorization of 20477 in exponential form is:

20477 = 204771

Prime Factorization of 20487

Prime factors of 20487 are 3, 6829. Prime factorization of 20487 in exponential form is:

20487 = 31 × 68291

Now multiplying the highest exponent prime factors to calculate the LCM of 20477 and 20487.

LCM(20477,20487) = 204771 × 31 × 68291
LCM(20477,20487) = 419512299