# math

posted by .

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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