What is the Least Common Multiple of 511 and 531?
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 531 is 271341.
LCM(511,531) = 271341
Least Common Multiple of 511 and 531 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 531, than apply into the LCM equation.
GCF(511,531) = 1
LCM(511,531) = ( 511 × 531) / 1
LCM(511,531) = 271341 / 1
LCM(511,531) = 271341
Least Common Multiple (LCM) of 511 and 531 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 511 and 531. First we will calculate the prime factors of 511 and 531.
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 531
Prime factors of 531 are 3, 59. Prime factorization of 531 in exponential form is:
531 = 32 × 591
Now multiplying the highest exponent prime factors to calculate the LCM of 511 and 531.
LCM(511,531) = 71 × 731 × 32 × 591
LCM(511,531) = 271341
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