# Is 127 a prime number?

The number 127 is a prime number because it cannot be divided evenly by any number besides one and 127. There are no other numbers that can go into 127 without a remainder.Source:Number Empire: Onl... Read More »

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## Is 51 a prime number?

The number 51 is not considered to be a prime number. Prime numbers are only able to be divided by itself and 1 to obtain a whole number answer. 51 is known as a "composite number" because it can a... Read More »

## What is the lowest number that does not have an article or link on Wikipedia?

I think I've got it! It's 2530.Well, excluding negative numbers...Edit: Actually 2530 is in the 26th century and if you go to the 26th century (2530 doesn't redirect you there,2529 maybe...) and sc... Read More »

## Who discovered the first prime number?

Ancient Greek mathematicians of the Pythagorean school first discovered and studied prime numbers (numbers only divisible by one and themselves). Around 300 B.C., Euclid discovered that there are a... Read More »

## How to Check if a Number Is Prime?

There are several methods for testing primality of integers. The best choice depends on the circumstances. Some of the methods are faster than others, while some popular tests are actually only pro... Read More »
http://www.wikihow.com/Check-if-a-Number-Is-Prime

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