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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008676271675 2,837 digits created 2026-03-10

Value

12663976081964205544285271140232342369620665613706092738336327194031206120416435493265282445827640628890527000427398197403776786795218428810059177569286092027997582623646089449113922839189987235793597095639403325104263401942124296676706364808981994684620947912102898140273475518571470237963652060874113934866500385719604166671946810386050008828868142707698626964425835177222522961093900055362428793101188031940144573234155810887953645723596365065633683283046245674926934627759660140122758538252957935587273116045505222369891557141190154882582798975064787492473809333048868082422152187022299484446411048028708417376946938043140533046173854997537539394184137118501708476790024771190954611994739247813221055418270593578351077947330574856610447000922143669872940366302333303720372926369375405194148316680864726564569611975541852014370441969380006923158426957362301422976597090424755700744131482753538687891931674554197017652520029194649259527853121084954905639276560056976311430450159330202584740686919310097422918234184606880508961713046476012909149708187561317048856200270979397408623567860267643276600125611267159146545540647063876988346237363739587077810408611687600186427353780234389349837019288779799040744224908161122844526941122546435903800349756949102165708206928133195031133654213461719738335551401856257333157888707515209710132899061733395676697688320869720060631043217481014182712879640682518800487235062796819781010843124657939972778898924860824051826948221387010597710739033389727508800649827177057887113491132168618379224147015207247884968177377454601243182262279390799085516272247529672564511887556023614781166806119475144699849954935798980882613240512706972745219676729542398898200793449227852493064954780912839953050306180533242626888532227437749614211138383532959460583166740197184822355496842161305699426641033999452748313758262610290949121693831602847159060326905611669345356255269613564578646220516767214446613309028291909032531829855573947717719908903507189148352901186710019160982190038492198286072807160186442452009232931160273360652899590713332868178206430151630604031200061063549689727563878593352859698698256480516650715513894416324931371257312184174528527978506916262690652885525714073556528339969585393052995713338878943854145265648275341054269051109591888027947473365213312565790923804272245584197730269462495976344692101800213404450473290299152627198924042531184493157203048656624982626970515801772114636021047475780571240148776370992633776008035585815381430145534654676463869110371702857170490917011550739776670085591235038731149951522470185994948722620166896866703654220155224010878165846229726418399069806122095504261019930798954692202270505316532907436298486142561336973691107116885966550692831956405051465290004368191411314521262197488121870343961635369680664699459957972940402748665469915294673622442929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 6 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271675 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008676271675},"decimal":true,"detail":2}}'