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What is the Least Common Multiple of 13691 and 13707?

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 13691 and 13707 is 187662537.

LCM(13691,13707) = 187662537

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Least Common Multiple of 13691 and 13707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13691 and 13707, than apply into the LCM equation.

GCF(13691,13707) = 1
LCM(13691,13707) = ( 13691 × 13707) / 1
LCM(13691,13707) = 187662537 / 1
LCM(13691,13707) = 187662537

Least Common Multiple (LCM) of 13691 and 13707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13691 and 13707. First we will calculate the prime factors of 13691 and 13707.

Prime Factorization of 13691

Prime factors of 13691 are 13691. Prime factorization of 13691 in exponential form is:

13691 = 136911

Prime Factorization of 13707

Prime factors of 13707 are 3, 1523. Prime factorization of 13707 in exponential form is:

13707 = 32 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 13691 and 13707.

LCM(13691,13707) = 136911 × 32 × 15231
LCM(13691,13707) = 187662537