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'\" t
.\" Copyright (c) 2025 Bruce Hill
.\" All rights reserved.
.\"
.TH Int.is_prime 3 2025-04-21T14:54:02.044313 "Tomo man-pages"
.SH NAME
Int.is_prime \- check if an integer is prime
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Int.is_prime\ :\ func(x:\ Int,\ reps:\ Int\ =\ 50\ ->\ Bool)
.fi
.SH DESCRIPTION
Determines if an integer is a prime number.
.SH ARGUMENTS
.TS
allbox;
lb lb lbx lb
l l l l.
Name Type Description Default
x Int The integer to be checked. -
reps Int The number of repetitions for primality tests. 50
.TE
.SH RETURN
`yes` if `x` is a prime number, `no` otherwise.
.SH NOTES
This function is _probabilistic_. With the default arguments, the chances of getting an incorrect answer are astronomically small (on the order of 10^(-30)). See [the GNU MP docs](https://gmplib.org/manual/Number-Theoretic-Functions#index-mpz_005fprobab_005fprime_005fp) for more details.
.SH EXAMPLES
.EX
>> (7).is_prime()
= yes
>> (6).is_prime()
= no
.EE
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