Wednesday, November 18, 2009

Prime Numbers and Prime Factors








What we did Today:
HOMEWORK QUESTIONS ANSWERS

Notes
What are factors?:
A factor is a whole number which divides evenly into a whole number leaving no remainders. A whole number is a number without decimals in it like 2.50

What are prime numbers?: A prime number is a whole number greater than 1 that has only 2 factors: 1 & itself. 1 is not a prime number. Some examples are prime factors are 2,3,5,7,11,13.

What are prime factors?: Prime factors are factors that are prime numbers. In my words, its putting a whole number into its lowest prime numbers also known as Prime Factorization. A way to use this method is to use a Factor Tree. Lets use an example like the number 12. Find factors of 12 and put it into the lowest prime numbers you get. Here is an example of a factor tree for 12.

6 comments:

abby 8-73 November 19, 2009 at 12:25 AM  

Good job.. u forgot to put the answer for side length #6.. and nice explaination.. good job again

Alexander8-73 November 23, 2009 at 5:10 PM  

Nice Job though why is every thing so big?

Eric.P 8-73 November 24, 2009 at 6:35 PM  

Good job Darnell but why are all the words so big?

Camille873 November 24, 2009 at 6:44 PM  

nice exlpaination darnell, i liked how you changed the colors so you wont get mixed up.

ChristineAnne8-73 November 25, 2009 at 8:28 AM  

great job darnell and nice explanations

Jemineth873 January 26, 2010 at 10:31 PM  

good job , i can read it VERY CLEAR !

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