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What is the Least Common Multiple of 12649 and 12664?

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 12649 and 12664 is 160186936.

LCM(12649,12664) = 160186936

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Least Common Multiple of 12649 and 12664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12649 and 12664, than apply into the LCM equation.

GCF(12649,12664) = 1
LCM(12649,12664) = ( 12649 × 12664) / 1
LCM(12649,12664) = 160186936 / 1
LCM(12649,12664) = 160186936

Least Common Multiple (LCM) of 12649 and 12664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12649 and 12664. First we will calculate the prime factors of 12649 and 12664.

Prime Factorization of 12649

Prime factors of 12649 are 7, 13, 139. Prime factorization of 12649 in exponential form is:

12649 = 71 × 131 × 1391

Prime Factorization of 12664

Prime factors of 12664 are 2, 1583. Prime factorization of 12664 in exponential form is:

12664 = 23 × 15831

Now multiplying the highest exponent prime factors to calculate the LCM of 12649 and 12664.

LCM(12649,12664) = 71 × 131 × 1391 × 23 × 15831
LCM(12649,12664) = 160186936