What is the Least Common Multiple of 563 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 563 and 581 is 327103.
LCM(563,581) = 327103
Least Common Multiple of 563 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 563 and 581, than apply into the LCM equation.
GCF(563,581) = 1
LCM(563,581) = ( 563 × 581) / 1
LCM(563,581) = 327103 / 1
LCM(563,581) = 327103
Least Common Multiple (LCM) of 563 and 581 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 563 and 581. First we will calculate the prime factors of 563 and 581.
Prime Factorization of 563
Prime factors of 563 are 563. Prime factorization of 563 in exponential form is:
563 = 5631
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 563 and 581.
LCM(563,581) = 5631 × 71 × 831
LCM(563,581) = 327103
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