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What is the Least Common Multiple of 30581 and 30590?

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 30581 and 30590 is 935472790.

LCM(30581,30590) = 935472790

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Least Common Multiple of 30581 and 30590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30581 and 30590, than apply into the LCM equation.

GCF(30581,30590) = 1
LCM(30581,30590) = ( 30581 × 30590) / 1
LCM(30581,30590) = 935472790 / 1
LCM(30581,30590) = 935472790

Least Common Multiple (LCM) of 30581 and 30590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30581 and 30590. First we will calculate the prime factors of 30581 and 30590.

Prime Factorization of 30581

Prime factors of 30581 are 53, 577. Prime factorization of 30581 in exponential form is:

30581 = 531 × 5771

Prime Factorization of 30590

Prime factors of 30590 are 2, 5, 7, 19, 23. Prime factorization of 30590 in exponential form is:

30590 = 21 × 51 × 71 × 191 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 30581 and 30590.

LCM(30581,30590) = 531 × 5771 × 21 × 51 × 71 × 191 × 231
LCM(30581,30590) = 935472790