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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 #1100000004866935018 2,251 digits created 2023-10-24

Value

1558772067311311638905889505445298642233521462475112156970506521163289906956549147559879012341855638737888400243564651426986697929038087399590317712203249668152562712843492764148934152219504638365506373174942528807446367237875360176182281346476180908676154047800910592675070366259916575938646952839962157557766143579357000986224093048457983930758754155736579260761105439564540879482646930467447817613713866361536078878962457843654960251495131703575021099992058989309625797255428555918667831686830361375778622457953667326416008532026504922879893108668590704944832021597257313398661223948458389307881463354660317460927066198472726721936415975247499782871337880728852624379671519386905323570545436238047299244770726700339620518031993767110991135631734745243473813485428456859690176096392684182743077767794280439120647351951225502004112622606802782883551015987601091202142307238737307817816029315819049937729025222840026516648844425839384627484334276531205919366556352559648782498936270374015813132915359226705196765400205040565867589189882174824169943894304952719578970145563641647878381781257489482654130555202402754981025368934436961265171137847548293474043563177667526780905994985394770942598565213750335000151587623900102924617477388469117794260090841086426442834060590788212019886155078919078003396961952189203188231969254229167094204687427142207053731248558208945175851389464343313612448435100847895502536848282204812165012267743269729599430586184153648545726152180795204977834614282698736857566621692380222681584876110018606519340931839140246611969631456679530639781124592580995673903908577227941449140899614910501638610435823856655311468068296691394088105992142294048836055801832127018659268214098581328013826718474018994432878465666952626977100155871030857687886886560054311713774407413405741339347693363111458401847082283018437252734139367801529867928000373557393415524014614399384699739101504828191048283253789328556812681146126933259899944687448473966153018107640876301260575047390808821369941406277160085244861160744417283619945442547776338415012103808539946484155760349625342402318291806215646468116158765385621150147178312792406277028040401242959786818068861489511937805507053335402110889275969168370189393372719271085481533659109279447847
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,748-digit prime (315 intermediate primes).

Certified number2,748-digit prime
Certificatedownload
Certificate chainshow step 54 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004866935018 --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":1100000004866935018},"decimal":true,"detail":2}}'