What is the 1390th prime number?
The 1390th prime number is 11527. The next prime is 11549 (a gap of 22) and the one before is 11519.
Position
Pick any whole number from 1 to 10,000.
How to work it out
- 1
List the primes in order: 2, 3, 5, 7, 11, 13, ā¦ The 1390th one is 11527.
- 2
11527 is prime because no prime up to ā11527 ā 107.36 divides it.
- 3
The primes are spread thinner as numbers grow: by the prime number theorem the 1390th prime is close to 1390 Ć ln(1390) ā 10060, and here it is 11527.
- 4
11527 has no twin: neither 11525 nor 11529 is prime.
Primes around the 1390th
| Position | Prime | Gap from the previous |
|---|---|---|
| 1387 | 11497 | 6 |
| 1388 | 11503 | 6 |
| 1389 | 11519 | 16 |
| 1390 | 11527 | 8 |
| 1391 | 11549 | 22 |
| 1392 | 11551 | 2 |
| 1393 | 11579 | 28 |
Questions
What is the 1390th prime number?
11527.
Which prime number is 11527?
11527 is the 1390th prime number.
What is the sum of the first 1390 primes?
7,468,585.