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anonymous

  • 5 years ago

Find the prime factorization of each number. If the number is prime, state this. 39, 30, 27, 150, 40, 31, 210, 33. If you can, explain the steps you did to at least of the above numbers. Thanks in advance :)

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  1. anonymous
    • 5 years ago
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    39=3*13 30=2*3*5 27=3^3 150=2*3*5*5

  2. anonymous
    • 5 years ago
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    what does ^ mean?

  3. anonymous
    • 5 years ago
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    40=2*2*2*5 31 is prime 210=2*3*5*7 33=3*11

  4. anonymous
    • 5 years ago
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    ^ means exponent

  5. anonymous
    • 5 years ago
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    27=3*3*3=3^3

  6. anonymous
    • 5 years ago
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    Okay, how did you find these? Can you teach me?

  7. anonymous
    • 5 years ago
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    For example, how would i find the prime factorization of 115?

  8. anonymous
    • 5 years ago
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    do u know what r the prime nos?

  9. anonymous
    • 5 years ago
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    can u list them?

  10. anonymous
    • 5 years ago
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    2, 3, 5, 7, 11, 13, 17, 19, 23 & so on..

  11. anonymous
    • 5 years ago
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    right :)

  12. anonymous
    • 5 years ago
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    Okay, but i dont understand what im suppose to do with them lol

  13. anonymous
    • 5 years ago
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    now for 115 u have to see by which prime no is 115 divisible?

  14. anonymous
    • 5 years ago
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    it ends at 5,so divisible by 5

  15. anonymous
    • 5 years ago
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    so do i start with 2 & go up?

  16. anonymous
    • 5 years ago
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    yeah, but 115 isnt divisible by 2

  17. anonymous
    • 5 years ago
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    115/5=23...ok?

  18. anonymous
    • 5 years ago
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    ok

  19. anonymous
    • 5 years ago
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    23 is prime

  20. anonymous
    • 5 years ago
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    now see 23 is prime, so we r end up 115=5*23

  21. anonymous
    • 5 years ago
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    Oh, okay.. i get it now.

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