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What is the Least Common Multiple of 40644 and 40655?

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 40644 and 40655 is 1652381820.

LCM(40644,40655) = 1652381820

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Least Common Multiple of 40644 and 40655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40644 and 40655, than apply into the LCM equation.

GCF(40644,40655) = 1
LCM(40644,40655) = ( 40644 × 40655) / 1
LCM(40644,40655) = 1652381820 / 1
LCM(40644,40655) = 1652381820

Least Common Multiple (LCM) of 40644 and 40655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40644 and 40655. First we will calculate the prime factors of 40644 and 40655.

Prime Factorization of 40644

Prime factors of 40644 are 2, 3, 1129. Prime factorization of 40644 in exponential form is:

40644 = 22 × 32 × 11291

Prime Factorization of 40655

Prime factors of 40655 are 5, 47, 173. Prime factorization of 40655 in exponential form is:

40655 = 51 × 471 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 40644 and 40655.

LCM(40644,40655) = 22 × 32 × 11291 × 51 × 471 × 1731
LCM(40644,40655) = 1652381820