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# How many different prime factors does the number 630 have

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Senior Manager
Joined: 10 Dec 2004
Posts: 273

Kudos [?]: 203 [0], given: 0

How many different prime factors does the number 630 have [#permalink]

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24 Jan 2005, 14:04
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

How many different prime factors does the number 630 have
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"Forums are meant to benefit all. No one is interested in knowing what your guesses are. Please explain the reasoning behind the answer you chose. This will also help you organize your thoughts quickly during the exam."

Kudos [?]: 203 [0], given: 0

Current Student
Joined: 28 Dec 2004
Posts: 3345

Kudos [?]: 322 [0], given: 2

Location: New York City
Schools: Wharton'11 HBS'12

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24 Jan 2005, 14:36
4. distinct prime factors, in all 5! 2,3,3,5,7

3, 5, 7, 2 are the distinct factors..

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Director
Joined: 19 Nov 2004
Posts: 554

Kudos [?]: 281 [0], given: 0

Location: SF Bay Area, USA

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24 Jan 2005, 16:51
3x3x7x5x2

Distinct Prime factors 3,7,5,2 = 4

Kudos [?]: 281 [0], given: 0

24 Jan 2005, 16:51
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# How many different prime factors does the number 630 have

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