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What is the Least Common Multiple of 581 and 601?

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 581 and 601 is 349181.

LCM(581,601) = 349181

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Least Common Multiple of 581 and 601 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 581 and 601, than apply into the LCM equation.

GCF(581,601) = 1
LCM(581,601) = ( 581 × 601) / 1
LCM(581,601) = 349181 / 1
LCM(581,601) = 349181

Least Common Multiple (LCM) of 581 and 601 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 581 and 601. First we will calculate the prime factors of 581 and 601.

Prime Factorization of 581

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

581 = 71 × 831

Prime Factorization of 601

Prime factors of 601 are 601. Prime factorization of 601 in exponential form is:

601 = 6011

Now multiplying the highest exponent prime factors to calculate the LCM of 581 and 601.

LCM(581,601) = 71 × 831 × 6011
LCM(581,601) = 349181