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Testimonials |
1. Introduction
Factorizer is a Windows program to find factors of numbers up to 2,147,483,646 and to find primes, pairs of primes and Palmen colors of numbers.
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Download the trial version |
(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
(7) to find the Palmen color of a number or the colors of a range of numbers.
In addition a "filter" condition may be set to allow examination of numbers with a constant offset from an arithmetical or a geometrical progression, e.g., just those numbers of the form 7*n - 12 or 10n + 2.
Here is a typical screenshot:
The text in the output window can be edited, so you can remove unwanted output and add your own comments before copying to the clipboard for transfer to another program such as a text editor.
Examples of the use of the program are given below, first without a filter condition in effect, then with various filters in effect.
Following accepted mathematical convention, the number 1 is not held to be a prime number.
The remainder of the user manual is in the following sections:
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How to obtain the software: A trial version of the Factorizer software can be downloaded from this website. Click on the following link to go to a web page with further information about the trial version:
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Refund: A refund will be provided promptly up to thirty days after purchase if the software does not perform satisfactorily.
Updates: Purchasers of a user license for this software are entitled to an update to any later version at no additional cost.
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