factordbrpc · fdb
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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 #1100000008787409437 2,457 digits created 2026-05-03

Value

609186110440750588903411878938451638456706707411929838091018879330596210078750039678826695168757142365528431221997178375669725820700175845690473406732495214324368415732429009907079145656300520321200216232040414871344816990111230242482436215837404441483172958888142125307468909403211252871385195009872530069542088298892781119198397361748124309986765848027451227832431644070567931456942460610461164929365794946251944602609059499815124280563191387472494301512786228031672761584468447664794525410615778440407347333862564786183512438282354394888404981490327523807936360516815661410031965240955728100044070629626527238420993841773853710023380186093388445866968201643434977977266721908623845604367023169178207838059046675974561178531066684425823992924955093810206882221648113094969435296491668114589988756061982196586951489816376359566479960869050989970923015195102916001885806388578290885567208792338158311436614821556449440644371949836542740954473515193972824909687546697147272088818859212846006646565768014480779007906970144165271379730086043947037443587167053916448402584590773246835820946236908622506474791604297895269646875356856499067240655403319057408672867505689547818994337482563478648160934719730292737833748181600696378492941332915864432813992022083950599331384263952283851781114017295788594579518108965461372576221016332799567539975891708344091290655081636231975744687254691841827881241299104846419620833053162929437933326911868241124564497837336539638742100364636327215265455477120738957474177141237560824541113950662047871121979782709344792444609283392109853449712724136817589536951583048439909210852863060254163593539511680419387937850959955272176780541623905999894098744310529574835032057185447533263816327267763589598437740392906895967607831586307610246993275994423973821650519593776816621330325655285804393474463782057643272807738143962938886319134548935753208241619388466206806530057247256235228208948000107215137965113295840244657922063643343010732034407807546916402842515875352725539892890435517711871051772831175769030300614334691593165534405323806434251317490193784019393426282176445272001767983762369122640912843861706839857802652186702295081041706192185233210012449142972660070685519626934227877908004796952688966485999807506519345219536800939655914310306926410573524028710426383186306641325350673984171225596064864200228789764156732928893733453920885179477792814677418237104985589252980509128550870432415980414968338280430372515385382001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 50 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409437 --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":1100000008787409437},"decimal":true,"detail":2}}'