// [dependencies] // primal = "0.3" // rug = "1.15.0" fn main() { println!("First 100 deceptive numbers:"); use rug::Integer; let mut repunit = Integer::from(11); let mut n: u32 = 3; let mut count = 0; while count != 100 { if n % 3 != 0 && n % 5 != 0 && !primal::is_prime(n as u64) && repunit.is_divisible_u(n) { print!("{:6}", n); count += 1; if count % 10 == 0 { println!(); } else { print!(" "); } } n += 2; repunit *= 100; repunit += 11; } }