# Iccanobif primes

```ruby
var count = 25
var index = 0

for n in (1..Inf) {
    var t = n.fib.flip -> is_prob_prime || next
    var s = Str(t)
    s = "#{s.first(20)}..#{s.last(20)} (#{s.len} digits)" if (s.len>50)
    say "#{'%2d' % ++index}: #{s}"
    count == index && break
}
```

#### Output:

```
 1: 2
 2: 3
 3: 5
 4: 31
 5: 43
 6: 773
 7: 7951
 8: 64901
 9: 52057
10: 393121
11: 56577108676171
12: 940647607443258103531
13: 5237879497657222310489731409575442761
14: 9026258083384996860449366072142307801963
15: 19900335674812302969..34431012073266446403 (80 digits)
16: 77841137362967479985..52312097783685331923 (104 digits)
17: 37722585901567604188..29174997072830756131 (137 digits)
18: 75736193894876131595..50767238644714305761 (330 digits)
19: 17890336847332837620..13175300695235035913 (406 digits)
20: 92327163101729115305..27061468856047302507 (409 digits)
21: 50420157810698056253..67335124247362214481 (503 digits)
22: 30511012474739380092..69296158361330018201 (888 digits)
23: 46818547042693694555..08664543144645856321 (1020 digits)
24: 87101347853037819884..20128396998865227391 (1122 digits)
25: 17451656022543765336..20100243761843652461 (1911 digits)
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://trizen.gitbook.io/sidef-lang/programming_tasks/i/iccanobif_primes.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
