Primes / Is 343 prime?

Is 343 a Prime Number?

No343 = 7^3

343 is NOT prime: 7 × 49 = 343. That makes 7 a genuine divisor of 343 beyond 1 and 343 itself. Fully broken down, 343 = 7^3, for 4 divisors total. 343 sits between primes 337 and 347, 6 below and 4 above. 343: 7 divide 343 evenly, checked against 2-12. 343 is odd, digit sum 10 for 343, digital root 1 for 343. 343 has 4 primes within 10 of 343.