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math

posted by on .

I have the same question as Sally:
What is the prime factorization of 225?
Or, just how do you find prime factorization???
Thanks.

  • math - ,

    I stary with an obvious prime
    225 = 5 * 45, now another 5
    = 5*5*9
    = 5*5*3*3

  • math - ,

    okay, so if you had to find it of 500, it would be:
    500=5*100
    5*10*10
    5*5*2*5*2
    the soltion would be
    5^3*2^2
    did I do this right?

  • math - ,

    Oh, it was me who posted the last post as anonymous, i forgot to put my name in!

  • math - ,

    yes

  • math - ,

    thank you so much

  • math - ,

    For the prime factor of 255= 3*3*5*5

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