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What is the Least Common Multiple of 17636 and 17656?

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 17636 and 17656 is 77845304.

LCM(17636,17656) = 77845304

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Least Common Multiple of 17636 and 17656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17636 and 17656, than apply into the LCM equation.

GCF(17636,17656) = 4
LCM(17636,17656) = ( 17636 × 17656) / 4
LCM(17636,17656) = 311381216 / 4
LCM(17636,17656) = 77845304

Least Common Multiple (LCM) of 17636 and 17656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17636 and 17656. First we will calculate the prime factors of 17636 and 17656.

Prime Factorization of 17636

Prime factors of 17636 are 2, 4409. Prime factorization of 17636 in exponential form is:

17636 = 22 × 44091

Prime Factorization of 17656

Prime factors of 17656 are 2, 2207. Prime factorization of 17656 in exponential form is:

17656 = 23 × 22071

Now multiplying the highest exponent prime factors to calculate the LCM of 17636 and 17656.

LCM(17636,17656) = 23 × 44091 × 22071
LCM(17636,17656) = 77845304