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What is the Least Common Multiple of 20575 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 20575 and 20586 is 423556950.

LCM(20575,20586) = 423556950

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Least Common Multiple of 20575 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 20575 and 20586, than apply into the LCM equation.

GCF(20575,20586) = 1
LCM(20575,20586) = ( 20575 × 20586) / 1
LCM(20575,20586) = 423556950 / 1
LCM(20575,20586) = 423556950

Least Common Multiple (LCM) of 20575 and 20586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20575 and 20586. First we will calculate the prime factors of 20575 and 20586.

Prime Factorization of 20575

Prime factors of 20575 are 5, 823. Prime factorization of 20575 in exponential form is:

20575 = 52 × 8231

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 20575 and 20586.

LCM(20575,20586) = 52 × 8231 × 21 × 31 × 471 × 731
LCM(20575,20586) = 423556950