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What is the Least Common Multiple of 10641 and 10655?

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 10641 and 10655 is 113379855.

LCM(10641,10655) = 113379855

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Least Common Multiple of 10641 and 10655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10641 and 10655, than apply into the LCM equation.

GCF(10641,10655) = 1
LCM(10641,10655) = ( 10641 × 10655) / 1
LCM(10641,10655) = 113379855 / 1
LCM(10641,10655) = 113379855

Least Common Multiple (LCM) of 10641 and 10655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10641 and 10655. First we will calculate the prime factors of 10641 and 10655.

Prime Factorization of 10641

Prime factors of 10641 are 3, 3547. Prime factorization of 10641 in exponential form is:

10641 = 31 × 35471

Prime Factorization of 10655

Prime factors of 10655 are 5, 2131. Prime factorization of 10655 in exponential form is:

10655 = 51 × 21311

Now multiplying the highest exponent prime factors to calculate the LCM of 10641 and 10655.

LCM(10641,10655) = 31 × 35471 × 51 × 21311
LCM(10641,10655) = 113379855