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What is the Least Common Multiple of 42581 and 42594?

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 42581 and 42594 is 1813695114.

LCM(42581,42594) = 1813695114

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Least Common Multiple of 42581 and 42594 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42581 and 42594, than apply into the LCM equation.

GCF(42581,42594) = 1
LCM(42581,42594) = ( 42581 × 42594) / 1
LCM(42581,42594) = 1813695114 / 1
LCM(42581,42594) = 1813695114

Least Common Multiple (LCM) of 42581 and 42594 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42581 and 42594. First we will calculate the prime factors of 42581 and 42594.

Prime Factorization of 42581

Prime factors of 42581 are 7, 11, 79. Prime factorization of 42581 in exponential form is:

42581 = 72 × 111 × 791

Prime Factorization of 42594

Prime factors of 42594 are 2, 3, 31, 229. Prime factorization of 42594 in exponential form is:

42594 = 21 × 31 × 311 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 42581 and 42594.

LCM(42581,42594) = 72 × 111 × 791 × 21 × 31 × 311 × 2291
LCM(42581,42594) = 1813695114