Primes / Is 271 prime?

Is 271 a Prime Number?

Yes

271 is prime: for 271, testing every prime up to √271 ≈ 16.5 (namely 2, 3, 5, 7, 11, 13) finds no divisor. 271 sits between primes 269 and 277, 2 below and 6 above. 271 shares no factor with 2-12; 271's divisors start beyond that range. 271 is odd, digit sum 10 for 271, digital root 1 for 271. 271 has 5 primes within 10 of 271.