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What is the Least Common Multiple of 20499 and 20506?

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 20499 and 20506 is 420352494.

LCM(20499,20506) = 420352494

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Least Common Multiple of 20499 and 20506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20499 and 20506, than apply into the LCM equation.

GCF(20499,20506) = 1
LCM(20499,20506) = ( 20499 × 20506) / 1
LCM(20499,20506) = 420352494 / 1
LCM(20499,20506) = 420352494

Least Common Multiple (LCM) of 20499 and 20506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20499 and 20506. First we will calculate the prime factors of 20499 and 20506.

Prime Factorization of 20499

Prime factors of 20499 are 3, 6833. Prime factorization of 20499 in exponential form is:

20499 = 31 × 68331

Prime Factorization of 20506

Prime factors of 20506 are 2, 10253. Prime factorization of 20506 in exponential form is:

20506 = 21 × 102531

Now multiplying the highest exponent prime factors to calculate the LCM of 20499 and 20506.

LCM(20499,20506) = 31 × 68331 × 21 × 102531
LCM(20499,20506) = 420352494