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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 #1100000004921062871 1,928 digits created 2023-10-25

Value

91500313257894740359377640410908393937182772092485781330688178446293640059952934887141540512669897186092567050451871770637235248088532253557116548276753164597539394841871971512446226531457763642975151658879489728985221833868466780024593867763316408379831990885543414325404580482033983030172340388651981259584142076541439167476116344060045349108020622800786453539300412771721708240830742954824967383596807806499848248755289317903104554390980083751490105030208602262987224353782095335493611162514601704188000468212374517718901211168794861008284918405148423600335150868217497823933109626438100990953445366394102419794672319002191489979458468632607742674663703754739419735637094402215375421768185566282744313962341640422406758279673324436612333049472283230447091995752994937804935190752688593928116737011299544049631423490527870879727098183857071327436106370466630779328035338592305905284996207340367638922127111323297708459711090880705662678978912009042084950382533981223337352880610832958571420541042120264916932187221750202068971899140681794034618054124206697088249911559875854379151342953186450157381583726118159407001523420179894009093051127488550575512084342758853437208704528447697590239583294860562051466562748735900068097784787019296564211756518213161774745650809415707748209466475693225014247911350535064466581463809410569090878777300857733450499025519146361152384390494517611573540550929601159680222166962779249898564087021035834164226630141520565014201661960309897523868835419225096084356676563913140279568100592931101406833632525214032755520822595932165278386924440730986960097412310382482566867808889853115150854996828405543893920037013965096829428016229123521532142186167303737289282126066819448783516068909516002252632140734201537033565255067372498771180855651145025899902808232016323347327274804972173454031996376871127599454593484533829614644112919875277210286962481185735184994543085831344694549798905583403159417
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,952-digit prime (147 intermediate primes).

Certified number1,952-digit prime
Certificatedownload
Certificate chainshow step 3 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004921062871 --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":1100000004921062871},"decimal":true,"detail":2}}'