In number theory, a regular prime is a prime number p > 2 that does not divide the class number of the p-th cyclotomic field.
The first few regular primes are:
- 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 41, ... (sequence A007703 in OEIS)
| Are there infinitely many regular primes, and if so is their relative density ? |
Read more about Regular Prime: Kummer's Criterion, Properties, Irregular Primes, Irregular Pairs, History
Famous quotes containing the words regular and/or prime:
“My attitude toward punctuation is that it ought to be as conventional as possible. The game of golf would lose a good deal if croquet mallets and billiard cues were allowed on the putting green. You ought to be able to show that you can do it a good deal better than anyone else with the regular tools before you have a license to bring in your own improvements.”
—Ernest Hemingway (1899–1961)
“Being prime minister is a lonely job.... you cannot lead from the crowd.”
—Margaret Thatcher (b. 1925)