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anonymous

  • one year ago

Fan and medal!!!!!! What is the sum of the first five prime numbers? A. 18 B. 26 C. 28 D. 39

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  1. marihelenh
    • one year ago
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    Do you know what the first 5 are?

  2. anonymous
    • one year ago
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    no, this is why im asking the question

  3. marihelenh
    • one year ago
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    A prime number is a number that only divided by itself and one. 2 is a prime number, because it is divisible by 1 and 2. 3 is prime because it can be divided by 1 and 3. 4 isn't prime because it can be divided by 1, 2, and 4.

  4. marihelenh
    • one year ago
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    Can you get what the next prime number is?

  5. anonymous
    • one year ago
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    ok,... do you know the answer?

  6. marihelenh
    • one year ago
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    I do, but it doesn't help you any if I just give it to you.

  7. anonymous
    • one year ago
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    im on a time limit, the lesson is after this question

  8. marihelenh
    • one year ago
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    The next 2 prime numbers are 5 and 7. There are 4 of the first ones. Can you get the last one?

  9. anonymous
    • one year ago
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    \[2+3+5+7+11=28 \]

  10. anonymous
    • one year ago
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    so it goes 2, 3, 5, 7,8?

  11. anonymous
    • one year ago
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    thank you

  12. anonymous
    • one year ago
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    oh 11

  13. marihelenh
    • one year ago
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    8 is divisible by 1, 2, 4, and 8. As @robtobey so bluntly put out, yes, the last one is 11 and he gave you the answer.

  14. anonymous
    • one year ago
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    now here is a question for you, TWIST

  15. anonymous
    • one year ago
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    Prime numbers have less than two factors. more than two factors. exactly two factors. less than or equal to two factors.

  16. anonymous
    • one year ago
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    PLOT TWIST

  17. marihelenh
    • one year ago
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    Exactly two factors.

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