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What is the Least Common Multiple of 15641 and 15655?

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 15641 and 15655 is 244859855.

LCM(15641,15655) = 244859855

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Least Common Multiple of 15641 and 15655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15641 and 15655, than apply into the LCM equation.

GCF(15641,15655) = 1
LCM(15641,15655) = ( 15641 × 15655) / 1
LCM(15641,15655) = 244859855 / 1
LCM(15641,15655) = 244859855

Least Common Multiple (LCM) of 15641 and 15655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15641 and 15655. First we will calculate the prime factors of 15641 and 15655.

Prime Factorization of 15641

Prime factors of 15641 are 15641. Prime factorization of 15641 in exponential form is:

15641 = 156411

Prime Factorization of 15655

Prime factors of 15655 are 5, 31, 101. Prime factorization of 15655 in exponential form is:

15655 = 51 × 311 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 15641 and 15655.

LCM(15641,15655) = 156411 × 51 × 311 × 1011
LCM(15641,15655) = 244859855