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What is the Least Common Multiple of 43625 and 43643?

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 43625 and 43643 is 1903925875.

LCM(43625,43643) = 1903925875

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Least Common Multiple of 43625 and 43643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43625 and 43643, than apply into the LCM equation.

GCF(43625,43643) = 1
LCM(43625,43643) = ( 43625 × 43643) / 1
LCM(43625,43643) = 1903925875 / 1
LCM(43625,43643) = 1903925875

Least Common Multiple (LCM) of 43625 and 43643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43625 and 43643. First we will calculate the prime factors of 43625 and 43643.

Prime Factorization of 43625

Prime factors of 43625 are 5, 349. Prime factorization of 43625 in exponential form is:

43625 = 53 × 3491

Prime Factorization of 43643

Prime factors of 43643 are 19, 2297. Prime factorization of 43643 in exponential form is:

43643 = 191 × 22971

Now multiplying the highest exponent prime factors to calculate the LCM of 43625 and 43643.

LCM(43625,43643) = 53 × 3491 × 191 × 22971
LCM(43625,43643) = 1903925875