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What is the Least Common Multiple of 13705 and 13713?

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 13705 and 13713 is 187936665.

LCM(13705,13713) = 187936665

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Least Common Multiple of 13705 and 13713 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13705 and 13713, than apply into the LCM equation.

GCF(13705,13713) = 1
LCM(13705,13713) = ( 13705 × 13713) / 1
LCM(13705,13713) = 187936665 / 1
LCM(13705,13713) = 187936665

Least Common Multiple (LCM) of 13705 and 13713 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13705 and 13713. First we will calculate the prime factors of 13705 and 13713.

Prime Factorization of 13705

Prime factors of 13705 are 5, 2741. Prime factorization of 13705 in exponential form is:

13705 = 51 × 27411

Prime Factorization of 13713

Prime factors of 13713 are 3, 7, 653. Prime factorization of 13713 in exponential form is:

13713 = 31 × 71 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 13705 and 13713.

LCM(13705,13713) = 51 × 27411 × 31 × 71 × 6531
LCM(13705,13713) = 187936665