42_C_PISCINE/C/c05v5/ex07/ft_find_next_prime.c

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2023-05-17 12:45:25 -04:00
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_find_next_prime.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/07/20 14:31:43 by cchauvet #+# #+# */
/* Updated: 2022/07/28 20:17:40 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
int ft_is_prime(int nb)
{
int i;
i = 2;
while (i <= nb / i)
{
if (nb % i == 0)
return (0);
i++;
}
return (1);
}
int ft_find_next_prime(int nb)
{
int i;
if (nb < 2)
return (2);
i = nb;
while (ft_is_prime(i) == 0)
i++;
return (i);
}