Anonymous user
Repunit primes: Difference between revisions
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Base 36: 2
</pre>
=={{header|Python}}==
<lang python>from sympy import isprime
for b in range(2, 17):
print(b, [n for n in range(2, 1001) if isprime(n) and isprime(int('1'*n, base=b))])</lang>
{{out}}
<pre>2 [2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607]
3 [3, 7, 13, 71, 103, 541]
4 [2]
5 [3, 7, 11, 13, 47, 127, 149, 181, 619, 929]
6 [2, 3, 7, 29, 71, 127, 271, 509]
7 [5, 13, 131, 149]
8 [3]
9 []
10 [2, 19, 23, 317]
11 [17, 19, 73, 139, 907]
12 [2, 3, 5, 19, 97, 109, 317, 353, 701]
13 [5, 7, 137, 283, 883, 991]
14 [3, 7, 19, 31, 41]
15 [3, 43, 73, 487]
16 [2]</pre>
=={{header|Raku}}==
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