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3 Cards in this Set
- Front
- Back
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What is a prime number |
It is a number that only come up in there own times table |
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How to find a prime number? |
Easy: if the numbers end in 1,3,7 or 9 then ignore Any others and then divide each one by 3 and 7. |
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How to find a prime number |
Hard: you need to see if it can only be divided by 1 and itself. |
