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What is the Least Common Multiple of 4625 and 4645?

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 4625 and 4645 is 4296625.

LCM(4625,4645) = 4296625

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Least Common Multiple of 4625 and 4645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4625 and 4645, than apply into the LCM equation.

GCF(4625,4645) = 5
LCM(4625,4645) = ( 4625 × 4645) / 5
LCM(4625,4645) = 21483125 / 5
LCM(4625,4645) = 4296625

Least Common Multiple (LCM) of 4625 and 4645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4625 and 4645. First we will calculate the prime factors of 4625 and 4645.

Prime Factorization of 4625

Prime factors of 4625 are 5, 37. Prime factorization of 4625 in exponential form is:

4625 = 53 × 371

Prime Factorization of 4645

Prime factors of 4645 are 5, 929. Prime factorization of 4645 in exponential form is:

4645 = 51 × 9291

Now multiplying the highest exponent prime factors to calculate the LCM of 4625 and 4645.

LCM(4625,4645) = 53 × 371 × 9291
LCM(4625,4645) = 4296625