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What is the Least Common Multiple of 572 and 581?

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 572 and 581 is 332332.

LCM(572,581) = 332332

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Least Common Multiple of 572 and 581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 572 and 581, than apply into the LCM equation.

GCF(572,581) = 1
LCM(572,581) = ( 572 × 581) / 1
LCM(572,581) = 332332 / 1
LCM(572,581) = 332332

Least Common Multiple (LCM) of 572 and 581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 572 and 581. First we will calculate the prime factors of 572 and 581.

Prime Factorization of 572

Prime factors of 572 are 2, 11, 13. Prime factorization of 572 in exponential form is:

572 = 22 × 111 × 131

Prime Factorization of 581

Prime factors of 581 are 7, 83. Prime factorization of 581 in exponential form is:

581 = 71 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 572 and 581.

LCM(572,581) = 22 × 111 × 131 × 71 × 831
LCM(572,581) = 332332