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What is the Least Common Multiple of 20569 and 20586?

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 20569 and 20586 is 423433434.

LCM(20569,20586) = 423433434

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Least Common Multiple of 20569 and 20586 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20569 and 20586, than apply into the LCM equation.

GCF(20569,20586) = 1
LCM(20569,20586) = ( 20569 × 20586) / 1
LCM(20569,20586) = 423433434 / 1
LCM(20569,20586) = 423433434

Least Common Multiple (LCM) of 20569 and 20586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20569 and 20586. First we will calculate the prime factors of 20569 and 20586.

Prime Factorization of 20569

Prime factors of 20569 are 67, 307. Prime factorization of 20569 in exponential form is:

20569 = 671 × 3071

Prime Factorization of 20586

Prime factors of 20586 are 2, 3, 47, 73. Prime factorization of 20586 in exponential form is:

20586 = 21 × 31 × 471 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 20569 and 20586.

LCM(20569,20586) = 671 × 3071 × 21 × 31 × 471 × 731
LCM(20569,20586) = 423433434