Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**mathaholic****Member**- From: Earth
- Registered: 2012-11-29
- Posts: 3,247

Yearly primes!

Has the form

year today(n)-(year today-1)

Say n is 10. The year now is 2014. Here is the formula:

2014(10)-2013 (results 18,127)

If the result is prime, it is a yearly prime.

***Case for odd years***

year today(n)-(year today-2)

Say n is 10. The year now is 2013. Here is the formula:

2013(10)-2011 (18,119)

18,119 is also a yearly prime.

***Canvassing of yearly primes***

Come, join me to discover yearly primes! If you have one, tell me in this topic. Happy searching!

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

Offline

Pages: **1**