perplexus.info :: Just Math : Consecutive Primes

Consecutive Primes (Posted on 2005-01-24)

Show that the sum of two consecutive odd primes has at least 3 (not necessarily distinct) prime factors. For example,

3+5=2*2*2
5+7=2*2*3
7+11=2*3*3

See The Solution Submitted by David Shin

Rating: 3.1667 (6 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

i goofed

| Comment 5 of 6 |

i assumed twin,not consecutive,primes

Posted by Ady TZIDON on 2005-01-24 19:54:49

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