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anonymous

  • 5 years ago

2,5,9,10,19,22 which are prime?

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  1. dumbcow
    • 5 years ago
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    which ones can you only divide by 1 evenly?

  2. dumbcow
    • 5 years ago
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    for example 9/3 = 3 i can divide by 3 which is not 1 so NOT prime

  3. anonymous
    • 5 years ago
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    why did u divide 9 & 3?

  4. dumbcow
    • 5 years ago
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    because i can, its a test to see if 9 is prime. for each number, try to divide by 2,3,4,5... if nothing works then it is prime *oh and dont divide the number by itself

  5. anonymous
    • 5 years ago
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    ok ill try

  6. anonymous
    • 5 years ago
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    so 2, 9, 10, 22 ??

  7. dumbcow
    • 5 years ago
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    are those prime or not prime

  8. anonymous
    • 5 years ago
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    prime

  9. anonymous
    • 5 years ago
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    5 and 19 is not

  10. dumbcow
    • 5 years ago
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    ok i want you think the exact opposite 5 and 19 are prime because no other numbers divide evenly into them 2 is actually also prime because remember dividing by itself doesnt count, 2 is a tricky one though

  11. anonymous
    • 5 years ago
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    ohhh okay

  12. anonymous
    • 5 years ago
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    gotcha. thank youuu!

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