What is the Least Common Multiple of 517 and 523?
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 517 and 523 is 270391.
LCM(517,523) = 270391
Least Common Multiple of 517 and 523 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 517 and 523, than apply into the LCM equation.
GCF(517,523) = 1
LCM(517,523) = ( 517 × 523) / 1
LCM(517,523) = 270391 / 1
LCM(517,523) = 270391
Least Common Multiple (LCM) of 517 and 523 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 517 and 523. First we will calculate the prime factors of 517 and 523.
Prime Factorization of 517
Prime factors of 517 are 11, 47. Prime factorization of 517 in exponential form is:
517 = 111 × 471
Prime Factorization of 523
Prime factors of 523 are 523. Prime factorization of 523 in exponential form is:
523 = 5231
Now multiplying the highest exponent prime factors to calculate the LCM of 517 and 523.
LCM(517,523) = 111 × 471 × 5231
LCM(517,523) = 270391
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