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Primegen is a Fun!

Prime numbers - is a very interesting researches.

Eratosphene Sieve

Atkin Sieve

Power Brute Force Algorithm (PBFA)

Research and Tests

• Ulam Spiral
• Prime calculator

Peformance reports

General reports

Density and count primes

Selection from 2 to..	Primes detected	All to primes ratio
100	25	0.25
1000	168	0.168
10000	1 229	0.1229
100000	9 592	0.09592
1000000	78 498	0.078498
10000000	664 579	0.0664579
100000000	5 761 455	0.05761455
1000000000	50 847 534	0.050847534

Members

• Mayton AKA Mark http://www.sql.ru/forum/memberinfo.aspx?mid=27971
• DmitryT
• SashaMercury