Website review mersenne.org
Great Internet Mersenne Prime Search - PrimeNet
Generated on March 07 2026 01:01 AM
Old data? UPDATE !
The score is 66/100
SEO Content
Title
Great Internet Mersenne Prime Search - PrimeNet
Length : 47
Perfect, your title contains between 10 and 70 characters.
Description
Great Internet Mersenne Prime Search - Finding world record primes since 1996. GIMPS is an organized search for Mersenne prime numbers using provided free software.
Length : 165
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Keywords
Marin Mersenne prime numbers GIMPS primenet prime95
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Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 8 | 3 | 0 | 0 | 0 |
- [H1] 2136279841-1 is the New Largest Known Prime Number
- [H2] Welcome to GIMPS
- [H2] the Great Internet Mersenne Prime Search Join GIMPS Downloads Known Primes Progress Overview Milestones History Today's Numbers GFLOP/s 5279996GHz-Days2639998CPUs & GPUs 3106191 Previous Day Stats Newly Factored371First Prime Tests266Verified Prime Tests627 All exponents below 80053537 have been tested and verified.All exponents below 139581511 have been tested at least once. 2025-Sep-08 All tests smaller than the 50th Mersenne Prime, M(77232917), have been verified
- [H2] All tests smaller than the 49th Mersenne Prime, M(74207281), have been verified
- [H2] Hoodies, T-shirts, and Mugs
- [H2] Prime95 version 30.19 released
- [H2] First-time Lucas-Lehmer Testing Ends
- [H2] BIG Changes Are Here! Prime95 version 30.3 released.
- [H2] BOINC users with GPUs can now participate
- [H3] More News and Discussions
- [H3] Make Math History!!
- [H3] What are Mersenne primes and why do we search for them?
Images
We found 6 images on this web page.
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Text/HTML Ratio
Ratio : 36%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
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Underscores in the URLs
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 31 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Forgot password? | Internal | Passing Juice |
| GIMPS | External | Passing Juice |
| Mersenne prime numbers | External | Passing Juice |
| how it works | Internal | Passing Juice |
| create an account | Internal | Passing Juice |
| download software | Internal | Passing Juice |
| Mersenne Forum | External | Passing Juice |
| discovered | Internal | Passing Juice |
| milestone | Internal | Passing Juice |
| discovered | Internal | Passing Juice |
| Great Internet Mersenne Prime Search (GIMPS) | Internal | Passing Juice |
| 41,024,320 digits | Internal | Passing Juice |
| previous largest known prime number | Internal | Passing Juice |
| Marin Mersenne | External | Passing Juice |
| the largest known primes | External | Passing Juice |
| history of Mersenne primes | External | Passing Juice |
| press release | Internal | Passing Juice |
| store | External | Passing Juice |
| 30.19 is now available | Internal | Passing Juice |
| PRPLL for GPUs | External | Passing Juice |
| breakthrough by Krzysztof Pietrzak | External | Passing Juice |
| SRBase | External | Passing Juice |
| FAQ at the SRBASE forum | External | Passing Juice |
| trial factoring stats | Internal | Passing Juice |
| Mersenne Wiki | External | Passing Juice |
| found eighteen | Internal | Passing Juice |
| (USD) $3,000 cash GIMPS Research Discovery Award | Internal | Passing Juice |
| Electronic Frontier Foundation | External | Passing Juice |
| $150,000 award | External | Passing Juice |
| many other reasons | Internal | Passing Juice |
| Mersenne Research, Inc. | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
gimps primality prime all search number primes new version mersenne
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
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| mersenne | 34 |  |
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| prime | 34 | |
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| gimps | 34 |  |
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| primes | 12 | |
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| number | 11 | |
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Usability
Url
Domain : mersenne.org
Length : 12
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 8 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
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Attention! Try to avoid nested tables in HTML. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.mersenne.org/sitemap.xml |
Robots.txt
https://mersenne.org/robots.txt
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Analytics
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Google Analytics |
PageSpeed Insights
Device
Categories
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