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What is the Least Common Multiple of 12644 and 12653?

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 12644 and 12653 is 159984532.

LCM(12644,12653) = 159984532

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Least Common Multiple of 12644 and 12653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12644 and 12653, than apply into the LCM equation.

GCF(12644,12653) = 1
LCM(12644,12653) = ( 12644 × 12653) / 1
LCM(12644,12653) = 159984532 / 1
LCM(12644,12653) = 159984532

Least Common Multiple (LCM) of 12644 and 12653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12644 and 12653. First we will calculate the prime factors of 12644 and 12653.

Prime Factorization of 12644

Prime factors of 12644 are 2, 29, 109. Prime factorization of 12644 in exponential form is:

12644 = 22 × 291 × 1091

Prime Factorization of 12653

Prime factors of 12653 are 12653. Prime factorization of 12653 in exponential form is:

12653 = 126531

Now multiplying the highest exponent prime factors to calculate the LCM of 12644 and 12653.

LCM(12644,12653) = 22 × 291 × 1091 × 126531
LCM(12644,12653) = 159984532