What is the Least Common Multiple of 557 and 563?
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 557 and 563 is 313591.
LCM(557,563) = 313591
Least Common Multiple of 557 and 563 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 557 and 563, than apply into the LCM equation.
GCF(557,563) = 1
LCM(557,563) = ( 557 × 563) / 1
LCM(557,563) = 313591 / 1
LCM(557,563) = 313591
Least Common Multiple (LCM) of 557 and 563 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 557 and 563. First we will calculate the prime factors of 557 and 563.
Prime Factorization of 557
Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:
557 = 5571
Prime Factorization of 563
Prime factors of 563 are 563. Prime factorization of 563 in exponential form is:
563 = 5631
Now multiplying the highest exponent prime factors to calculate the LCM of 557 and 563.
LCM(557,563) = 5571 × 5631
LCM(557,563) = 313591
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