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What is the Least Common Multiple of 13645 and 13656?

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 13645 and 13656 is 186336120.

LCM(13645,13656) = 186336120

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Least Common Multiple of 13645 and 13656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13645 and 13656, than apply into the LCM equation.

GCF(13645,13656) = 1
LCM(13645,13656) = ( 13645 × 13656) / 1
LCM(13645,13656) = 186336120 / 1
LCM(13645,13656) = 186336120

Least Common Multiple (LCM) of 13645 and 13656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13645 and 13656. First we will calculate the prime factors of 13645 and 13656.

Prime Factorization of 13645

Prime factors of 13645 are 5, 2729. Prime factorization of 13645 in exponential form is:

13645 = 51 × 27291

Prime Factorization of 13656

Prime factors of 13656 are 2, 3, 569. Prime factorization of 13656 in exponential form is:

13656 = 23 × 31 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 13645 and 13656.

LCM(13645,13656) = 51 × 27291 × 23 × 31 × 5691
LCM(13645,13656) = 186336120