Primes / Is 449 prime?

Is 449 a Prime Number?

Yes

449 is prime: for 449, testing every prime up to √449 ≈ 21.2 (namely 2, 3, 5, 7, 11, 13, 17, 19) finds no divisor. 449 sits between primes 443 and 457, 6 below and 8 above. 449 shares no factor with 2-12; 449's divisors start beyond that range. 449 is odd, digit sum 17 for 449, digital root 8 for 449. 449 has 4 primes within 10 of 449.