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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 #1100000008676650844 1,719 digits created 2026-03-10

Value

211581677931273623752045458665866303631585910527252211085713056857064659943259369407035763714900530119738295372178824314261471845658027544160144505612658931087915518523588583144126404784001930587963823513081567034744987368253717982759847259553394520525999071295889466071579263047793576529431513659428498124148878751923302530082856856470774524917963412908533955473501194938024905926484612598800523181344802154606934647706544770352432107606269177506964570372768787131091223579138898152380853916022053716909505320259283749064494734092683414718730570943065376471584090019073588514313441762942822315338673632030874234734510295390928671331592776945287899389322030688040970305340893185988325223427711659940663720860848034630399641946137420139686952089462998322859140830711148125603162709132001992068999653610169009333687520595660146472186802651795661908133139186905438299527418535504949447256599782713327713359593971219124500158320030595077212905127739452360217161406065870202533500273959823389326911687214600117232344423151534892177315688712247496478836400138577957180659884804926700329515921726017832115912999944914065887724762617857443550825283274092197797210788595506508611888846616449741161289932114897784197921487302545993153503728500379873274572165144644226243305063849505508851017433881250078135620692543295049430488644049840733997367657076072157506779565705357226039886979703980120925096464199016471079837349072887519822932342853773316059025049946503333921781319505566880523756999807841892667088087294224929898320633589634402485210920044108785185358177845320744427801346874612021328273511373813850183518786612906528235780738218092857993649133828304270060810780065885466414679289842681407240039317520268109320786932343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 94 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650844 --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":1100000008676650844},"decimal":true,"detail":2}}'