# How to Find the Largest Prime Factor of a Composite Number?

The relationship between a composite -- a positive integer that is not a prime number -- and prime numbers is that the former can be expressed as a product of latter. A prime number, by definition,...
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http://www.ehow.com/how_8136601_largest-prime-factor-composite-number.html

## How to Find the Largest Prime Factor of Two Factorials?

The factorial function symbol that comes after a number is represented by an exclamation point. When you see this symbol you should write out the series of descending natural numbers and then multi...
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http://www.ehow.com/how_8452321_largest-prime-factor-two-factorials.html

## 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...
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http://www.answerbag.com/q_view/2049378

## 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...
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http://www.answerbag.com/q_view/2077084

## 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...
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http://www.answerbag.com/q_view/1985052