What is the Least Common Multiple of 511 and 515?
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 515 is 263165.
LCM(511,515) = 263165
Least Common Multiple of 511 and 515 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 515, than apply into the LCM equation.
GCF(511,515) = 1
LCM(511,515) = ( 511 × 515) / 1
LCM(511,515) = 263165 / 1
LCM(511,515) = 263165
Least Common Multiple (LCM) of 511 and 515 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 511 and 515. First we will calculate the prime factors of 511 and 515.
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 515
Prime factors of 515 are 5, 103. Prime factorization of 515 in exponential form is:
515 = 51 × 1031
Now multiplying the highest exponent prime factors to calculate the LCM of 511 and 515.
LCM(511,515) = 71 × 731 × 51 × 1031
LCM(511,515) = 263165
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