What is the Least Common Multiple of 553 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 553 and 563 is 311339.
LCM(553,563) = 311339
Least Common Multiple of 553 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 553 and 563, than apply into the LCM equation.
GCF(553,563) = 1
LCM(553,563) = ( 553 × 563) / 1
LCM(553,563) = 311339 / 1
LCM(553,563) = 311339
Least Common Multiple (LCM) of 553 and 563 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 553 and 563. First we will calculate the prime factors of 553 and 563.
Prime Factorization of 553
Prime factors of 553 are 7, 79. Prime factorization of 553 in exponential form is:
553 = 71 × 791
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 553 and 563.
LCM(553,563) = 71 × 791 × 5631
LCM(553,563) = 311339
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