36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/* ************************************************************************** */
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/* */
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/* :::::::: */
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/* ft_isprim.c :+: :+: :+: */
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/* +:+ */
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/* By: djonker <marvin@codam.nl> +#+ */
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/* +#+ */
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/* Created: 2021/02/01 04:32:30 by djonker #+# #+# */
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/* Updated: 2023/02/07 00:40:00 by houtworm ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../libft.h"
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int ft_isprim(unsigned long long n)
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{
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unsigned long long c;
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unsigned long long d;
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if (n < 2)
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return (0);
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c = 2;
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while (c <= n / 2)
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{
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d = 1;
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while (d <= n / 2)
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{
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if (c * d == n)
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return (0);
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d++;
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}
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c++;
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}
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return (1);
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}
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