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What is the Least Common Multiple of 17625 and 17643?

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 17625 and 17643 is 103652625.

LCM(17625,17643) = 103652625

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Least Common Multiple of 17625 and 17643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17625 and 17643, than apply into the LCM equation.

GCF(17625,17643) = 3
LCM(17625,17643) = ( 17625 × 17643) / 3
LCM(17625,17643) = 310957875 / 3
LCM(17625,17643) = 103652625

Least Common Multiple (LCM) of 17625 and 17643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17625 and 17643. First we will calculate the prime factors of 17625 and 17643.

Prime Factorization of 17625

Prime factors of 17625 are 3, 5, 47. Prime factorization of 17625 in exponential form is:

17625 = 31 × 53 × 471

Prime Factorization of 17643

Prime factors of 17643 are 3, 5881. Prime factorization of 17643 in exponential form is:

17643 = 31 × 58811

Now multiplying the highest exponent prime factors to calculate the LCM of 17625 and 17643.

LCM(17625,17643) = 31 × 53 × 471 × 58811
LCM(17625,17643) = 103652625