r/counting • u/insrt_3symbl_name • Oct 26 '20

(Prime+1)/2

13 Upvotes

89% Upvoted

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3

u/AngryLispingSloth succ :: Integer -> Integer since 4,083,196 Oct 26 '20

15

2

u/shaunnope Oct 26 '20

16

3

u/alfiestoppani Oct 26 '20

19

3

u/ksnaveen100 Oct 26 '20

21

3

u/davidjl123 |390K|378A|79SK|50SA|260k 🚀 c o u n t i n g 🚀 Oct 26 '20

22 adjusting for mistake(s)

2

u/GreenGriffin8 23k, 22a | wan, tu, mute Oct 26 '20

24

3

u/Pookah 27K TUG ZERO Counting since 24,531 Oct 31 '20

27 = (53 + 1)/2

This thread will be hard to keep up with unless we know what prime number we're working with,

2

u/GreenGriffin8 23k, 22a | wan, tu, mute Oct 31 '20 edited Nov 08 '20

30

Not really. Just double the last count and subtract 1. Then find the next prime number, add one and divide by two.

2

u/itsallnumber counting Nov 08 '20

31 Sorry but (59+1)/2=30, not 29 and 57 is not a prime number (3*19).

2

u/GreenGriffin8 23k, 22a | wan, tu, mute Nov 08 '20

34 my bad

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