Factorizer may be used:
(1) to get the prime decomposition of all numbers in a range of numbers
(2) to get all factors of a single number or all factors of all numbers in a range
(3) to find only the prime numbers in a range of numbers
(4) to find pairs of prime numbers (e.g. 107 and 109) in a certain range
(5) to count (without displaying) the prime numbers in a range of numbers
(6) to find Fermat and Mersenne primes < 2,147,483,647

CFB Primes is an optimised PalmOS program which can find the prime factors and closest primes of any integer number up to one billion (US) in a few seconds or less. The standard edit menu allows you to make use of the results in other applications. CFB Primes is available free of charge.

research prime numbers starting with numbers very high, two version, cpu and hard disk

Beautiful 48-pc jigsaw puzzle of a set of spiral stairs looking up to the sky.

This is a programmable multiple-precision hex calculator with many utilities. With Hpmbcalc, you can easily perform a lot of big number math and encryption operations, such as: square root, modular inverse; hash, CRC, and check sum make; shift register configuration evaluation and simulationl; pseudo-random number generation; primality test; hex, dec, oct, bin conversion; etc.

Prime Option is used to measure what is important and to select the best option.

It can be used to choose products, software, development options, shares, funds, staff, features and design points. It can also be used to measure judgments, importance, risk, compliance, governance and requirements fit.

Prime Option is a Multi Criteria Decision Analysis (MCDA) tool which can be used to improve the decision making process.

SurfTris is a Tetris clone with a new twist. Instead of 2D plane, playing field is spread upon a 3D surface. There are five different surfaces to choose from: three closed surfaces - Cylinder, Cone, and Hyperboloid and two twisted planes - C-Spiral and O-Spiral.
Game features:
- Unique challenges of Twisted and Diversity Modes
- Ability to use MP3 and MIDI files of gamer’s choice as game soundtrack
- High Score tracking for every surface.

This utility allows you to create printable bingo cards. The software adjusts itself to your printer and also allows you to make changes to the proportions of the image to ensure it prints correctly on your printer. You can also save these images to disk in case you want to print them individually later. This software prints 1, 4, 6,9, 8,12, or 16 bingo cards per page. Manages printer output so you can use your printer for other documents.

Semi-psychedelic screensaver takes your screen for a spin.
The screen is filled with rotating tiles that slowly start to spiral.
You can set speed, frequency, size and separate colour channels.
New in v1.4 is the One big disk option.

Lottery software Lotto007 offers you the ability to play the lottery with control. Lotto007 is a powerful mathematical tool which helps you Analyze, using various filtering(Lotto007 has more than 22 filters,and you can set "Max permit wrong" in filters) criteria using Pick 4,5,6,7 Rotate Matrix and using Winning Ticketes for Check Winning. It should not be confused with other lottery software on the market which merely generates random numbers.

The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral.