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What is the Least Common Multiple of 18563 and 18572?

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 18563 and 18572 is 344752036.

LCM(18563,18572) = 344752036

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Least Common Multiple of 18563 and 18572 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18563 and 18572, than apply into the LCM equation.

GCF(18563,18572) = 1
LCM(18563,18572) = ( 18563 × 18572) / 1
LCM(18563,18572) = 344752036 / 1
LCM(18563,18572) = 344752036

Least Common Multiple (LCM) of 18563 and 18572 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18563 and 18572. First we will calculate the prime factors of 18563 and 18572.

Prime Factorization of 18563

Prime factors of 18563 are 19, 977. Prime factorization of 18563 in exponential form is:

18563 = 191 × 9771

Prime Factorization of 18572

Prime factors of 18572 are 2, 4643. Prime factorization of 18572 in exponential form is:

18572 = 22 × 46431

Now multiplying the highest exponent prime factors to calculate the LCM of 18563 and 18572.

LCM(18563,18572) = 191 × 9771 × 22 × 46431
LCM(18563,18572) = 344752036