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What is the Least Common Multiple of 4556 and 4571?

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 4556 and 4571 is 20825476.

LCM(4556,4571) = 20825476

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Least Common Multiple of 4556 and 4571 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4556 and 4571, than apply into the LCM equation.

GCF(4556,4571) = 1
LCM(4556,4571) = ( 4556 × 4571) / 1
LCM(4556,4571) = 20825476 / 1
LCM(4556,4571) = 20825476

Least Common Multiple (LCM) of 4556 and 4571 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4556 and 4571. First we will calculate the prime factors of 4556 and 4571.

Prime Factorization of 4556

Prime factors of 4556 are 2, 17, 67. Prime factorization of 4556 in exponential form is:

4556 = 22 × 171 × 671

Prime Factorization of 4571

Prime factors of 4571 are 7, 653. Prime factorization of 4571 in exponential form is:

4571 = 71 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 4556 and 4571.

LCM(4556,4571) = 22 × 171 × 671 × 71 × 6531
LCM(4556,4571) = 20825476