What is the Least Common Multiple of 511 and 518?
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 511 and 518 is 37814.
LCM(511,518) = 37814
Least Common Multiple of 511 and 518 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 511 and 518, than apply into the LCM equation.
GCF(511,518) = 7
LCM(511,518) = ( 511 × 518) / 7
LCM(511,518) = 264698 / 7
LCM(511,518) = 37814
Least Common Multiple (LCM) of 511 and 518 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 511 and 518. First we will calculate the prime factors of 511 and 518.
Prime Factorization of 511
Prime factors of 511 are 7, 73. Prime factorization of 511 in exponential form is:
511 = 71 × 731
Prime Factorization of 518
Prime factors of 518 are 2, 7, 37. Prime factorization of 518 in exponential form is:
518 = 21 × 71 × 371
Now multiplying the highest exponent prime factors to calculate the LCM of 511 and 518.
LCM(511,518) = 71 × 731 × 21 × 371
LCM(511,518) = 37814
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