331 is a prime number from 301-400. 331 has 2 factors, 1 and 331. It is the 67th prime number, and the fifth prime number from 301-400.
Proofs[]
— 331 is divisible by 1.
— 331 is not divisible by 2-330.
- — 331 is divisible by 331.
Relationship with other odd numbers[]
The numbers before[]
- The previous prime number is 317. A large prime gap of fourteen numbers occurs between 317 and 331.
- The numbers between are composite. 319 = 11 x 29; 323 = 17 x 19; 329 = 7 x 47.
- 321 and 327 are multiples of 3.
- The previous prime number before 317 is 313.
The numbers after[]
- The next prime number is 337.
- 331 and 337 are six numbers apart; therefore, they are sexy primes.
- 347 is the next prime number after 337.
- 341 is divisible by 11, and 343 is the cube of 7.
- 339 is a multiple of 3.
Trivia[]
- Since there are no prime numbers from 320-329, the 320s is the second group of ten after the 200s to not have any prime numbers.