Icon of program: Sprimer

Sprimer for Windows

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Editors’ Review

Download.com staff
Sprimer graphically plots prime numbers on a grid, spiraling outward. Primes appear white against a black background, revealing potential patterns. It supports centers up to 1,000,000.

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  • Pros

    • Visualizes prime numbers on a spiral grid.
    • Highlights prime numbers in white.
    • Masks non-prime numbers in black.
    • Supports center numbers from 1 to 1,000,000.
    • Develops diagonal line patterns with specific centers.

  • Cons

    • Searches for a prime number pattern, none is known.
    • No explicit mention of outputting found patterns.
Icon of program: Sprimer

Sprimer for Windows

Download now

Used Sprimer for Windows?

Explore More

Full Specifications

GENERAL
Release
Latest update
Version
1.0
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 10
  • Windows 98
  • Windows NT
  • Windows ME
  • Windows XP
Additional Requirements
Windows 98/Me/NT/XP
POPULARITY
Total Downloads
3,986
Downloads Last Week
15
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Program available in other languages

Last Updated

User Reviews

4.5/5

8 User Votes

Developer’s Description

By Blackhat Software
Search for a pattern to prime numbers.
Sprimer is a mathematical oddity. This program is designed to search for a pattern to prime numbers. Currently, no known pattern exists. The program does this by plotting numbers on a grid and spiraling outward as in the example below. Only numbers that are prime will be seen, highlighted in white. All other numbers will be masked in black. The center of the spiral will be in blue. A pattern of diagonal lines will develop, especially when the number 41 is chosen as the center. This program can graphically plot prime numbers with a center number ranging from 1 to 1,000,000.
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