Prime numbers whose neighboring pairs are tetraprimes: Difference between revisions
Prime numbers whose neighboring pairs are tetraprimes (view source)
Revision as of 20:57, 24 June 2023
, 11 months ago→{{header|Wren}}: More efficient way to check for duplicates.
(→{{header|ALGOL 68}}: Fix max prime) |
(→{{header|Wren}}: More efficient way to check for duplicates.) |
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Line 637:
<syntaxhighlight lang="ecmascript">import "./math" for Int, Nums
import "./sort" for Find
import "./seq" for
import "./fmt" for Fmt
Line 651:
for (p in primes) {
var pf1 = Int.primeFactors(p-2)
var cond1 = pf1.count == 4 &&
var pf2 = Int.primeFactors(p-1)
var cond2 = pf2.count == 4 &&
var pf3 = Int.primeFactors(p+1)
var cond3 = pf3.count == 4 &&
var pf4 = Int.primeFactors(p+2)
var cond4 = pf4.count == 4 &&
if (cond1 && cond2) {
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