Primes / Is 167 prime?

Is 167 a Prime Number?

Yes

167 is prime: for 167, testing every prime up to √167 ≈ 12.9 (namely 2, 3, 5, 7, 11) finds no divisor. 167 sits between primes 163 and 173, 4 below and 6 above. 167 shares no factor with 2-12; 167's divisors start beyond that range. 167 is odd, digit sum 14 for 167, digital root 5 for 167. 167 has 4 primes within 10 of 167.