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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 #1100000009015012927 2,695 digits created 2026-07-29

Value

1027515886478147874406944319767244919336897207504541920954103613180950626292470510583122387359575604710833768862391871666988254855256029936137447585292339791638037211460396852301671395520933904131638865573972575228577294759944307289002992077985244503005924208605204367793946106284948699242837537481261839439140602109339118996426071775573592731000294015260033903711777011819148226887819454910062564015421206311085356634310455332201825332948510284005589060325767186865940241834155206017064651809053705358907470985988890216923769673037610161204964377283319071497001977691091190584125984662721080770687520968084054080001700015967874730209171304637677908485693830843154211269712395615062288095558185917299414853299912703496125197952100589366132967955666008889906239808913794865618604728555529389399178380212001886631003471137836256623754478641468705767641358103752001614133620689808377132012013909659442612147438602889710396075650191038680569001413768371103337098048338488852461683325612282791310703988026623200039360809291608531528002010903165831071095445218874162091329889607477292616655953253552223711682579687624988811355987139534493709561133773730497034024339151024947984912045204080583765255268778023735815624955019753877365107123337067721402905330240857448528960490665616361387874330263138072420231608500554927767320975056722820620431461053439488676009623387857659811121531883098188175880774954002117580731602121264694180225696082133219489909520231321108513358320001368083584066661354472841751064235504894937568373842064153189914264213275408396244900121845373644260179170217213547098376320403547971026854289073885021380405520322436261944740246997066230681858220189398214154400601805789810273311439972985249845006064529615133013721532933769573870916808816852953457732450103347035074401708647561284718991549753260964980381338870338656247899261242962580496456023047805189621072462923750348057851156144896181959306522660099556188906503871465540968719007945803777909124060103442573406242881023851088538244129093938952490503269571681069779577285186704680230362849724589324034029974210553393156628541165916449958697217790673831199727786725721287790272697109143439959675954449593496956513059268994356667720031468163809555667337012521796886323823415944592613599932732524345008816518091094230827612030422680916759564575176880807275693044852168286957388353314470605988075602524393701532020058458574172254483840376054562592552958086490516092181999697368769844374230932675130983946708487208145673160578627048142795295442624573647434446127318536256340811154579479325559481477847688536874624119433209424668628131772920474935300887372503669042519565132005257730449939085709240431716325707562260156116601070703
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,702-digit prime (196 intermediate primes).

Certified number2,702-digit prime
Certificatedownload
Certificate chainshow step 2 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009015012927 --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":1100000009015012927},"decimal":true,"detail":2}}'