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What is the Least Common Multiple of 21566 and 21579?

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 21566 and 21579 is 465372714.

LCM(21566,21579) = 465372714

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Least Common Multiple of 21566 and 21579 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21566 and 21579, than apply into the LCM equation.

GCF(21566,21579) = 1
LCM(21566,21579) = ( 21566 × 21579) / 1
LCM(21566,21579) = 465372714 / 1
LCM(21566,21579) = 465372714

Least Common Multiple (LCM) of 21566 and 21579 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21566 and 21579. First we will calculate the prime factors of 21566 and 21579.

Prime Factorization of 21566

Prime factors of 21566 are 2, 41, 263. Prime factorization of 21566 in exponential form is:

21566 = 21 × 411 × 2631

Prime Factorization of 21579

Prime factors of 21579 are 3, 7193. Prime factorization of 21579 in exponential form is:

21579 = 31 × 71931

Now multiplying the highest exponent prime factors to calculate the LCM of 21566 and 21579.

LCM(21566,21579) = 21 × 411 × 2631 × 31 × 71931
LCM(21566,21579) = 465372714