Prime Numbers

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Uploaded by on Jun 7, 2008

Learn how to distinguish prime numbers.

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Uploader Comments (cylurian)

  • That is a good question. Like everything in math, prime numbers have a definition. If you read the definition, it tells you what prime numbers are, a rule. But that might not satisfy your curiosity. Think of prime numbers as unbreakable numbers. Prime numbers are used to make numbers that are not prime. For example, 16. 16 is composed of prime numbers: 2*2*2*2 = 16. That is why 16 is called composite number, .because 16 is composed of prime numbers.

  • My home work ask me what prime numbers after 19 and you to stop there but oh well. Thank you for the vid I understand it now:)

  • Excellent. That is the point of these videos. You just get a handle of the concept, and you try problems you have never seen. Good luck! Oh, the next prime number after 19 is 23. :))

  • Thank you! I couldn't get the concept of this until I saw you put it into practice. I'm trying to learn.

  • Good job. Keep working and you will succeed.

  • Excellent question. If you have the right instructor, you can use this to reduce fractions and almost all types of factoring. Check my other videos and see how we use prime numbers.

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  • I watched this for fun!

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All Comments (79)

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  • @CashMoneyPrincess11 you are right i am confused

  • Thank you So much !! I just learned prime numbers

  • Brilliant! Simple! And straight to the point! Now I got it.. Thanks.

  • Thank you for explaining this in simple english thank you i had no idea there were things called prime numbers till last night and i am 25 and a half years old and i am born and raised in new jersey and they didnt teach us that in school sadly thank you SO SO MUCH

  • Thankyou so much! I get it now.

  • really informative and interesting

  • Thank You So Much

  • some great inforamtion here thanks

  • i'm still confused :(

  • Chuck invented prime

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