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What is the Least Common Multiple of 20589 and 20603?

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 20589 and 20603 is 424195167.

LCM(20589,20603) = 424195167

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Least Common Multiple of 20589 and 20603 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20589 and 20603, than apply into the LCM equation.

GCF(20589,20603) = 1
LCM(20589,20603) = ( 20589 × 20603) / 1
LCM(20589,20603) = 424195167 / 1
LCM(20589,20603) = 424195167

Least Common Multiple (LCM) of 20589 and 20603 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20589 and 20603. First we will calculate the prime factors of 20589 and 20603.

Prime Factorization of 20589

Prime factors of 20589 are 3, 6863. Prime factorization of 20589 in exponential form is:

20589 = 31 × 68631

Prime Factorization of 20603

Prime factors of 20603 are 11, 1873. Prime factorization of 20603 in exponential form is:

20603 = 111 × 18731

Now multiplying the highest exponent prime factors to calculate the LCM of 20589 and 20603.

LCM(20589,20603) = 31 × 68631 × 111 × 18731
LCM(20589,20603) = 424195167