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What is the Least Common Multiple of 4579 and 4590?

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 4579 and 4590 is 21017610.

LCM(4579,4590) = 21017610

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Least Common Multiple of 4579 and 4590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4579 and 4590, than apply into the LCM equation.

GCF(4579,4590) = 1
LCM(4579,4590) = ( 4579 × 4590) / 1
LCM(4579,4590) = 21017610 / 1
LCM(4579,4590) = 21017610

Least Common Multiple (LCM) of 4579 and 4590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4579 and 4590. First we will calculate the prime factors of 4579 and 4590.

Prime Factorization of 4579

Prime factors of 4579 are 19, 241. Prime factorization of 4579 in exponential form is:

4579 = 191 × 2411

Prime Factorization of 4590

Prime factors of 4590 are 2, 3, 5, 17. Prime factorization of 4590 in exponential form is:

4590 = 21 × 33 × 51 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 4579 and 4590.

LCM(4579,4590) = 191 × 2411 × 21 × 33 × 51 × 171
LCM(4579,4590) = 21017610