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What is the Least Common Multiple of 12644 and 12652?

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 12652 is 39992972.

LCM(12644,12652) = 39992972

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Least Common Multiple of 12644 and 12652 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 12652, than apply into the LCM equation.

GCF(12644,12652) = 4
LCM(12644,12652) = ( 12644 × 12652) / 4
LCM(12644,12652) = 159971888 / 4
LCM(12644,12652) = 39992972

Least Common Multiple (LCM) of 12644 and 12652 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12644 and 12652. First we will calculate the prime factors of 12644 and 12652.

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 12652

Prime factors of 12652 are 2, 3163. Prime factorization of 12652 in exponential form is:

12652 = 22 × 31631

Now multiplying the highest exponent prime factors to calculate the LCM of 12644 and 12652.

LCM(12644,12652) = 22 × 291 × 1091 × 31631
LCM(12644,12652) = 39992972