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A prime number is a number that only has two factors: one and itself. Listen to Adam Spencer and Richard Glover discussing prime numbers. They cover how we define these numbers and how and why prime numbers are widely used in internet encryption.  19 Jun 2016, 04:22 Andrew Patton
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Have you ever wondered how modern day encryption works? How are messages and financial transactions kept hidden from cyber criminals and hackers? Listen to reporter Ruben Meerman and mathematician Simon Pampena discuss the largest prime number ever found and how prime numbers are used to encrypt electronic information.  19 Jun 2016, 04:22 Andrew Patton
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Want to know how Euclid, an ancient Greek mathematician, proved that there's an infinite number of prime numbers? Prime numbers multiplied together build other numbers. But what did Euclid add to show that not all primes can be listed? Try the exercise yourself. Can you come up with prime numbers?  19 Jun 2016, 04:22 Andrew Patton
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A prime number has only two factors (one and itself). See how to identify prime numbers by writing out their factors. It's easy to see which numbers are prime numbers and which are not (composite numbers). The number 1 is not a prime number. There are several complex reasons for this, but this clip explains why it isn't in a simple way that is easy to remember.  19 Jun 2016, 04:23 Andrew Patton
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Are you intrigued by patterns? Check out Vi Hart as she explains how to visualise patterns in prime numbers, using Ulam's Spiral. Watch as Vi creates patterns, using Pascal's Triangle to explore relationships in number. See what happens when she circles the odd numbers. What rule does she use to create the final pattern?  19 Jun 2016, 04:27 Andrew Patton
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