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What is the Least Common Multiple of 41561 and 41581?

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 41561 and 41581 is 1728147941.

LCM(41561,41581) = 1728147941

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Least Common Multiple of 41561 and 41581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41561 and 41581, than apply into the LCM equation.

GCF(41561,41581) = 1
LCM(41561,41581) = ( 41561 × 41581) / 1
LCM(41561,41581) = 1728147941 / 1
LCM(41561,41581) = 1728147941

Least Common Multiple (LCM) of 41561 and 41581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41561 and 41581. First we will calculate the prime factors of 41561 and 41581.

Prime Factorization of 41561

Prime factors of 41561 are 13, 23, 139. Prime factorization of 41561 in exponential form is:

41561 = 131 × 231 × 1391

Prime Factorization of 41581

Prime factors of 41581 are 43, 967. Prime factorization of 41581 in exponential form is:

41581 = 431 × 9671

Now multiplying the highest exponent prime factors to calculate the LCM of 41561 and 41581.

LCM(41561,41581) = 131 × 231 × 1391 × 431 × 9671
LCM(41561,41581) = 1728147941