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What is the Least Common Multiple of 4541 and 4558?

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 4541 and 4558 is 20697878.

LCM(4541,4558) = 20697878

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Least Common Multiple of 4541 and 4558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4541 and 4558, than apply into the LCM equation.

GCF(4541,4558) = 1
LCM(4541,4558) = ( 4541 × 4558) / 1
LCM(4541,4558) = 20697878 / 1
LCM(4541,4558) = 20697878

Least Common Multiple (LCM) of 4541 and 4558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4541 and 4558. First we will calculate the prime factors of 4541 and 4558.

Prime Factorization of 4541

Prime factors of 4541 are 19, 239. Prime factorization of 4541 in exponential form is:

4541 = 191 × 2391

Prime Factorization of 4558

Prime factors of 4558 are 2, 43, 53. Prime factorization of 4558 in exponential form is:

4558 = 21 × 431 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 4541 and 4558.

LCM(4541,4558) = 191 × 2391 × 21 × 431 × 531
LCM(4541,4558) = 20697878