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What is the Least Common Multiple of 12997 and 13007?

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 12997 and 13007 is 169051979.

LCM(12997,13007) = 169051979

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Least Common Multiple of 12997 and 13007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12997 and 13007, than apply into the LCM equation.

GCF(12997,13007) = 1
LCM(12997,13007) = ( 12997 × 13007) / 1
LCM(12997,13007) = 169051979 / 1
LCM(12997,13007) = 169051979

Least Common Multiple (LCM) of 12997 and 13007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12997 and 13007. First we will calculate the prime factors of 12997 and 13007.

Prime Factorization of 12997

Prime factors of 12997 are 41, 317. Prime factorization of 12997 in exponential form is:

12997 = 411 × 3171

Prime Factorization of 13007

Prime factors of 13007 are 13007. Prime factorization of 13007 in exponential form is:

13007 = 130071

Now multiplying the highest exponent prime factors to calculate the LCM of 12997 and 13007.

LCM(12997,13007) = 411 × 3171 × 130071
LCM(12997,13007) = 169051979