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Revision as of 04:31, December 17, 2013

Welcome to the Prime Numbers Wiki!

Welcome to Prime Numbers Wiki! In this wiki, we will post all the prime numbers that are in a range of 100. Here, we can even post videos of our own, summarizing the page, e.g. showing the prime numbers on 1-100, the difference between prime and composite numbers, and many more about the topic. Even the Sieve of Eratosthenes will help us show the correct way of showing primes. Come, join now! Making links will be a great way to show the proof of why it is prime; just give a subjective detail of the number, e.g. this number is prime because it is not divisible by 2, then show the answer. Dead-end links will make our wiki a rotten one, so please add some links to those numbers. We can even make a bunch of pages!

#5. Merry Christmas Primers! What gift do you want?

The poll was created at 07:21 on December 15, 2013, and so far 4 people voted.

Look at our YouTube videos online: [1] Look at our videos, like the prime numbers in a range. We would love to see your comments on our videos, and how can we improve them! Just a click of a button, I guess! Press the link above!

Important Pages!

Here are some pages to know before getting started to add a page on our encyclopedia of 857 pages.

Now, check out the Sieve of Eratosthenes. This helps on getting the primes on any range, e.g. a range of 100, 10 by 10. This is actually effective for primes below 10 million.

Prime Slideshow
WAM Score of PNW

40.72, down by 0.42 points. Why?

Featured User of the Month!
User:3primetime3 because he has beat the founder's edit count, and has added prime numbers pages, such as the largest known prime number, and some things to know if a number is prime or not, e.g. Divisibility Rules. He has also created the questions of the day. Check out his blog posts!
Featured Article

Featured Article: Sieve of Eratosthenes

In mathematics, the sieve of Eratosthenes (Greek: κόσκινον Ἐρατοσθένους), one of a number of prime number sieves, is a simple, ancient algorithm for finding all prime numbers up to any given limit. It does so by iteratively marking as composite (i.e. not prime) the multiples of each prime, starting with the multiples of 2.

The multiples of a given prime are generated as a sequence of numbers starting from that prime, with constant difference between them which is equal to that prime. This is the sieve's key distinction from using trial division to sequentially test each candidate number for divisibility by each prime. Read more...

Featured Video
Prime Numbers - The Sieve of Eratosthenes

Prime Numbers - The Sieve of Eratosthenes


Since November 16, 2013, Saturday, this wiki has 857 pages in Prime Numbers Wiki, 22,799,218 users in the whole Wikia and this, and 6 admins.

Question of the Day!

Hi everyone!

Just wanted to clarify - you ARE allowed to use other materials to help you solve these questions.  The only thing that you may NOT use is a calculator to solve questions (or anything of that sort).

Question of the Day - 30 points

From now on, if I mistype my username (ex. ~3primetime3- or -3pirmetime3-) AT THE END OF THE BLOG POST- if there is one, the answer to the question (regardless of what the question states), is 333.  If the whole entire blog post is italicized and my name is mistyped, then the answer to that question (regardless of what the question is, is 338).

Erica gets on an airplane in the Phillipines at exactly 6:30 AM.  She gets off the plane in England at exactly 7:45 PM.  How long was she on the plane?

Difficulty - Medium


Blueeighthnote, I meant the year 2013.  Thanks for the clarification.  I rewarded you 25 points instead of 20.

1.  Blueeighthnote: 745 points

2.  TimBluesWin:  160 points

3.  Imamadmad: 35 points

4.  Julianthewiki: 20 points +5

5.  Supermario3459: 15 points

6.  Wildoneshelper: 10 points

6.  Zombiebird4000: 10 points 

6. 10 points

AVERAGE SCORE: 105.625 (Average)

Current Scale

225+ (Outstanding! - will bump up difficulty a few notches)

160.5-194.9999(Above average - will bump up difficulty a notch)

GOAL FOR GROUP:  120-159.9999(Proficient)

CURRENT STAND POINT: 103-134.9999(Average)

59-102.9999 (Basic)

27-58.9999 (Below Basic)

20-26.9999 (Far Below Basic - will bump down difficulty a notch)

0-19.9999 (Poor - will bump down difficulty a few notches)

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