Posted by **Ann** on Monday, October 13, 2008 at 8:29pm.

What is my number?

Clue 1: My number is a multiple of 5, but it does not end in 5.

Clue 2: The prime factorization of my number is a string of three numbers.

Clue 3: Two of the numbers in the prime factorization are the same.

Clue 4: My number is bigger than the seventh square number.

- Math -
**bobpursley**, Monday, October 13, 2008 at 8:33pm
I would start with the seventh square number

1, 4, 9, 16, 25, 36, 49

so it is bigger than 49

then factor

50, 60, 70, and so on. See which has three prime factors, two of which are the same.

- Math -
**enia**, Saturday, October 18, 2008 at 5:24pm
how can i make a factorization string for the number 48

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