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// Sieve of Eratosthenes
n = eval[input["Enter highest number: "]]
results = array[sieve[n]]
println[results]
println[length[results] + " prime numbers less than or equal to " + n]
sieve[n] :=
{
// Initialize array
array = array[0 to n]
array@1 = 0
for i = 2 to ceil[sqrt[n]]
if array@i != 0
for j = i^2 to n step i
array@j = 0
return select[array, { |x| x != 0 }]
}
Download or view sieve.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 19965 days, 18 hours, 28 minutes ago.