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What is the Least Common Multiple of 13631 and 13639?

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 13631 and 13639 is 185913209.

LCM(13631,13639) = 185913209

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Least Common Multiple of 13631 and 13639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13631 and 13639, than apply into the LCM equation.

GCF(13631,13639) = 1
LCM(13631,13639) = ( 13631 × 13639) / 1
LCM(13631,13639) = 185913209 / 1
LCM(13631,13639) = 185913209

Least Common Multiple (LCM) of 13631 and 13639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13631 and 13639. First we will calculate the prime factors of 13631 and 13639.

Prime Factorization of 13631

Prime factors of 13631 are 43, 317. Prime factorization of 13631 in exponential form is:

13631 = 431 × 3171

Prime Factorization of 13639

Prime factors of 13639 are 23, 593. Prime factorization of 13639 in exponential form is:

13639 = 231 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 13631 and 13639.

LCM(13631,13639) = 431 × 3171 × 231 × 5931
LCM(13631,13639) = 185913209