Prime Verification Status
(Another of the Prime Pages' resources)
The Largest Known Primes Icon
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  Before primes are added to the List of Largest Known Primes, they must be first be verified, comments must be checked and they must meet the size requirements.  Below we show the status of these primes (if any) that are awaiting verificiation (of any age) as well as those modified (for any reason) in the last 96 hours.  Click on the prime's id for more detailed information.  The color code is at the bottom of the page.

idprime digitswhowhencomment
12018923451 · 23739388 + 1 1125673 L591 Aug 2015  
120186135 · 23518338 + 1 1059128 L4045 Aug 2015  
120176243 · 22937316 + 1 884223 L4114 Jul 2015  
1201782 · 31360104 - 1 648935 p390 Jul 2015  
1201834179 · 21725552 - 1 519447 L1959 Aug 2015  
1201804179 · 21716052 - 1 516587 L1959 Aug 2015  
1201942675 · 21350023 + 1 406401 L1741 Aug 2015  
1201906495 · 21349834 + 1 406345 L2549 Aug 2015  
1201875887 · 21349830 + 1 406344 L1803 Aug 2015  
1201917707 · 21349227 + 1 406162 L4176 Aug 2015  
1201845385 · 21349179 + 1 406148 L2526 Aug 2015  
1201745145 · 21349071 + 1 406115 L4175 Jul 2015  
1201775313 · 21348545 + 1 405957 L4144 Jul 2015  
1201755589 · 21347489 + 1 405639 L1486 Jul 2015  
1201828801 · 21345293 + 1 404978 L3598 Aug 2015  
1201882121157186437 · 21290000 - 1 388342 L3331 Aug 2015  
1201932120664102627 · 21290000 - 1 388342 L927 Aug 2015  
1201792116316545677 · 21290000 - 1 388342 L927 Aug 2015  
1201852113378665615 · 21290000 - 1 388342 L927 Aug 2015  
1201922109949226115 · 21290000 - 1 388342 L927 Aug 2015  
120181(185213477 - 1)/1851 44035 p170 Aug 2015 Generalized repunit (**)
       
Prime Description Color Codes
CompositeProven composite
RemoveScheduled for deletion--too small or proven composite
UnTestedNot yet tested
InProcessCurrently being tested
Probable-primeShown to be a PRP, awaiting further testing (see note).
ProvenProven prime
ExternalProven prime, externally verified
Note:  Only proven primes are accepted on this list.  These colors refer the status of this list's (re)verification process only.
Rank/Id Color Codes
shortOn the short version of the list
yesOn the long version of the list
noNot on the current list
(unknown)Not yet re-ranked
Note:  This list is (re)ranked every 30 minutes.
Description Notation
\ back-quote (23\ 45 = 2345, used to allow long integers to line wrap)
# primorial (9# = 7*5*3*2)
!, !n factorial, multifactorial
Phi(n,x) nth cyclotomic polynomial evaluated at x

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We at the Prime Pages attempt to keep a list of the 5000 largest known primes plus a few each of certain selected archivable forms.  To make the top 5000 today a prime must have 385561 digits or meet the size requirements for it's archivable form.  (Query time: 0.002002 seconds.)