Data commit

Task/Repunit-primes/Go/repunit-primes.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+    "fmt"
+    big "github.com/ncw/gmp"
+    "rcu"
+    "strings"
+)
+
+func main() {
+    limit := 2700
+    primes := rcu.Primes(limit)
+    s := new(big.Int)
+    for b := 2; b <= 36; b++ {
+        var rPrimes []int
+        for _, p := range primes {
+            s.SetString(strings.Repeat("1", p), b)
+            if s.ProbablyPrime(15) {
+                rPrimes = append(rPrimes, p)
+            }
+        }
+        fmt.Printf("Base %2d: %v\n", b, rPrimes)
+    }
+}