729*366^183817-1 (471215 digits) is prime!

Nice one Peter!

S208
 

S208 tested n=100K-200K

[URL]http://primes.utm.edu/primes/page.php?id=103799[/URL]
88*208^130796+1 is prime

Results emailed - Base released

Conjecture proven - nice ck of 158

[URL="http://primes.utm.edu/primes/page.php?id=103526"]http://primes.utm.edu/primes/page.php?id=103526[/URL]
5142*256^96403-1 is prime (2571*2^771225-1)

[URL="http://primes.utm.edu/primes/page.php?id=103641"]http://primes.utm.edu/primes/page.php?id=103641[/URL]
6497*256^102104-1 is prime (6497*2^816832-1)

[URL="http://primes.utm.edu/primes/page.php?id=103671"]http://primes.utm.edu/primes/page.php?id=103671[/URL]
9618*256^103168-1 is prime (4809*2^825345-1)

[URL="http://primes.utm.edu/primes/page.php?id=103846"]http://primes.utm.edu/primes/page.php?id=103846[/URL]
8250*256^115971-1 is prime (4125*2^927337-1)

[URL="http://primes.utm.edu/primes/page.php?id=103858"]http://primes.utm.edu/primes/page.php?id=103858[/URL]
7373*256^117071-1 is prime (7373*2^936568-1)

Nice run Ian! :smile:

R353
 

[URL]http://primes.utm.edu/primes/page.php?id=105831[/URL]

52*353^129583-1 is prime

Conjecture proven

ck = 58

My first...
[URL]http://primes.utm.edu/primes/page.php?id=106235[/URL]
141*468^89405-1 is prime
R468 is now a 4-ker

[QUOTE=firejuggler;296184]My first...
[URL]http://primes.utm.edu/primes/page.php?id=106235[/URL]
141*468^89405-1 is prime
R468 is now a 4-ker[/QUOTE]

Hi firejuggler,

Nice find!

You didn't include CRUS in your proof code. Can you contact Prof. Caldwell at the top-5000 site and have him add it to your proof code?


Thanks,
Gary

mail sent and answered, change done, will come up in 30 min.

1983*366^271591-1 is prime! (696222 digits)
This removed 47% of all candidates from the sieve file. R366 is now a 2ker.

[URL]http://primes.utm.edu/primes/page.php?id=106340[/URL]

[QUOTE] 1983*366^271591-1 is prime! (696222 digits)[/QUOTE]

Nice one. Almost Top 100.:beer: