# First 9 prime Fibonacci number

First 9 prime Fibonacci number is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.

## Raku

<lang perl6>put ++\$ .fmt("%2d: ") ~ \$_ for (0, 1, * + * … *).grep( &is-prime )[^20];</lang>

Output:
``` 1: 2
2: 3
3: 5
4: 13
5: 89
6: 233
7: 1597
8: 28657
9: 514229
10: 433494437
11: 2971215073
12: 99194853094755497
13: 1066340417491710595814572169
14: 19134702400093278081449423917
15: 475420437734698220747368027166749382927701417016557193662268716376935476241
16: 529892711006095621792039556787784670197112759029534506620905162834769955134424689676262369
17: 1387277127804783827114186103186246392258450358171783690079918032136025225954602593712568353
18: 3061719992484545030554313848083717208111285432353738497131674799321571238149015933442805665949
19: 10597999265301490732599643671505003412515860435409421932560009680142974347195483140293254396195769876129909
20: 36684474316080978061473613646275630451100586901195229815270242868417768061193560857904335017879540515228143777781065869```

## Ring

<lang ring> load "stdlib.ring" see "working..." + nl num = 0

see "The firts 9 Prime Fibonacci numbers: " + nl for n = 1 to 1000000

```    x = fib(n)
if isprime(x)
num++
if num< 10
see  "" + x + "  "
else
exit
ok
ok
```

next

see "done..." + nl

func fib nr

```      if nr = 0 return 0 ok
if nr = 1 return 1 ok
if nr > 1 return fib(nr-1) + fib(nr-2) ok
```

</lang>

Output:
```working...
Prime Fibonacci numbers:
2  3  5  13  89  233  1597  28657  514229
done...
```