zeepickler
- Karma
- 3
- Created
- February 23, 2012 (14y ago)
- Submissions
- 0
-
Noticed a pattern for odd prime numbers: For 2n + 1, if n equals: 2xy + x + y then, 2n + 1 is an odd composite. For 2n + 1, if n equals: 6 (7 + 6x) + 1 (7 + 6x) + 2 5, 5+6, 5+6+7, 5+6+7+8, etc. then, 2n + 1 is an odd…