Primes: n*2^m+1: Difference between revisions

=={{header|RPL}}==

As big ints are limited to 499 digits, it is not possible to calculate the 47th prime number.

{{works with|HP|49}}

« <span style="color:red">{ }

1 45</span> '''FOR''' n

<span style="color:red">0</span>

'''WHILE''' <span style="color:red">2</span> OVER ^ n * <span style="color:red">1</span> + DUP ISPRIME? NOT '''REPEAT'''

DROP <span style="color:red">1</span> +

'''END'''

NIP +

'''NEXT'''

» '<span style="color:blue">TASK</span>' STO

{{out}}

<pre>

1: { 2 3 7 5 11 7 29 17 19 11 23 13 53 29 31 17 137 19 1217 41 43 23 47 97 101 53 109 29 59 31 7937 257 67 137 71 37 149 1217 79 41 83 43 173 89 181 }

</pre>