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January 25, 2015

January 25, 2015

Posted by **Isabella** on Monday, October 19, 2009 at 3:46pm.

- 4th grade -
**please help(:**, Monday, October 19, 2009 at 3:54pmA prime number can be divided, without a remainder, only by itself and by 1. For example, 17 can be divided only by 17 and by 1.

Also, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

- 4th grade -
**bobpursley**, Monday, October 19, 2009 at 3:54pmIt is a number that cannot be divided by any whole number evenly except by 1 or itself.

1,2,3,5 are prime number

4,6,9 are not

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