What is the Least Common Multiple of 581 and 589?
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 589 is 342209.
LCM(581,589) = 342209
Least Common Multiple of 581 and 589 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 589, than apply into the LCM equation.
GCF(581,589) = 1
LCM(581,589) = ( 581 × 589) / 1
LCM(581,589) = 342209 / 1
LCM(581,589) = 342209
Least Common Multiple (LCM) of 581 and 589 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 581 and 589. First we will calculate the prime factors of 581 and 589.
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 589
Prime factors of 589 are 19, 31. Prime factorization of 589 in exponential form is:
589 = 191 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 581 and 589.
LCM(581,589) = 71 × 831 × 191 × 311
LCM(581,589) = 342209
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