Prime Verification Status
(Another of the Prime Pages' resources)
The Largest Known Primes Icon
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New record prime: 274,207,281-1 with 22,338,618 digits by Cooper, Woltman, Kurowski, Blosser & GIMPS (7 Jan 2016).
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 72 hours.  Click on the prime's id for more detailed information.  The color code is at the bottom of the page.

idprime digitswhowhencomment
121132651 · 22275040 + 1 684859 L4082 Feb 2016  
121147814659265536 + 1 452918 L4318 Feb 2016 Generalized Fermat
121141809910065536 + 1 452752 L4281 Feb 2016 Generalized Fermat
121142803614665536 + 1 452530 L4201 Feb 2016 Generalized Fermat
121131795481265536 + 1 452240 L4245 Feb 2016 Generalized Fermat
121123783275665536 + 1 451800 L4315 Feb 2016 Generalized Fermat
1211487815 · 21386279 + 1 417316 L2125 Feb 2016  
1211462785 · 21386116 + 1 417266 L1204 Feb 2016  
1211404057 · 21385804 + 1 417173 L2125 Feb 2016  
1211395499 · 21385766 + 1 417161 L4293 Feb 2016  
1211444543 · 21385662 + 1 417130 L1846 Feb 2016  
1211436245 · 21385513 + 1 417085 L1204 Feb 2016  
1211375811 · 21385508 + 1 417084 L3760 Feb 2016  
1211366435 · 21385447 + 1 417065 L3760 Feb 2016  
1211337603 · 21385200 + 1 416991 L2125 Feb 2016  
1211307949 · 21385087 + 1 416957 L3910 Feb 2016  
1211278827 · 21384780 + 1 416865 L2125 Feb 2016  
1211282595 · 21384762 + 1 416859 L2080 Feb 2016  
1211357651 · 21384544 + 1 416794 L4316 Feb 2016  
1211226491 · 21384437 + 1 416761 L1522 Feb 2016  
1211203781 · 21384388 + 1 416746 L2125 Feb 2016  
1211268085 · 21384281 + 1 416715 L1354 Feb 2016  
1211176745 · 21384200 + 1 416690 L2125 Feb 2016  
1211218917 · 21384184 + 1 416685 L1204 Feb 2016  
1211164693 · 21384040 + 1 416642 L1204 Feb 2016  
1211345513 · 21384029 + 1 416638 L1753 Feb 2016  
1211452365 · 21383524 + 1 416486 L1354 Feb 2016  
1211246057 · 21383043 + 1 416342 L3760 Feb 2016  
1211191975 · 21382990 + 1 416325 L4314 Feb 2016  
1211382551448016225 · 21290000 - 1 388342 L4317 Feb 2016  
1211292546445531495 · 21290000 - 1 388342 L2511 Feb 2016  
1211182545759207227 · 21290000 - 1 388342 L3819 Feb 2016  
1211152539782208257 · 21290000 - 1 388342 L4124 Feb 2016  
1211252535226199025 · 21290000 - 1 388342 L3392 Feb 2016  
       
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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Include those modified (for any reason) in the last hours. (Use 0 to just see those in process or awaiting verification.)
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 388341 digits or meet the size requirements for it's archivable form.  (Query time: 0.002432 seconds.)