Primes / Is 359 prime?

Is 359 a Prime Number?

Yes

359 is prime: for 359, testing every prime up to √359 ≈ 18.9 (namely 2, 3, 5, 7, 11, 13, 17) finds no divisor. 359 sits between primes 353 and 367, 6 below and 8 above. 359 shares no factor with 2-12; 359's divisors start beyond that range. 359 is odd, digit sum 17 for 359, digital root 8 for 359. 359 has 4 primes within 10 of 359.