Uhh ... is -13 a prime ??

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amitdgr: Master | Next Rank: 500 Posts; Posts: 228; Joined: Sun Jun 29, 2008 8:47 pmFollowed by: 1 member; Thanked: 15 times

by amitdgr » Fri Aug 08, 2008 6:45 pm

Can we have negative prime numbers

: say is -13 or -23 a prime ? I think not .. But would like being confirmed.

Thanks folks.

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Source: Beat The GMAT — Problem Solving | Fri Aug 08, 2008 6:45 pm

bourne159: Senior | Next Rank: 100 Posts; Posts: 50; Joined: Tue Mar 11, 2008 6:30 am; Thanked: 6 times

by bourne159 » Fri Aug 08, 2008 7:44 pm

Prime numbers are always positive.

Here is a link to a similar discussion.
https://www.beatthegmat.com/negative-pri ... t1374.html

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