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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 #1100000010596472566 2,027 digits created 2026-10-06

Value

16091356978414187373029657413079060003708237763715596327230128563670806992055113900946162203717293901444859302097804553707500048174408935848528116702136770800424144869602070155336607747944252785590338546187112951818811130944230933590992870933285874932793605817455452224354786017958499025285044290982186651516102170010390512406938582999251658822924181414267498450888982624552036129191175922297662572300944094265030557835251506113165256384542847677404719993650274486084356453797695590094963123888026015626953225605670857840502233133857805680809929105721612287268727109750542507252655974846732931485215427318191839093575756638614281679034036594677020116473023621731123944496878856589056132826948756775358172446572144545588080943435158441947938604275328064693209062711247229611983536782421851169157694988167601252630833254376401236047844693695573798602263241579108588483620349722632563926863451301745017794151410635087857689987362237213022666995863358440127211026170806422569906872699657036328192714498631313424152982744790870573635268893068428777610369966184916730675849820610821673240262981389952650590755552641962240142363980515978609932014079015711680762205115480569884913149160740894527181714837923297536786993425537749698505236108968071780092336104822903558928617129550591905189472161125308118711079894230527990410841511493645730661088472967971794819470718586783297436076708829227192327991333462421147571576962958186997385902325471466580053091374664520973153761453178769582692098495609593537684769025408243457529197443206063936745967970299163800592750341546260619134733636332856323237148215648513650968357436760186260908258930865364782141353551557009186203394051936815569469470831684113244064278764710439343881889310477731420316035750521316768427984808960978630559451476118631920867905942162724493540136969157697832041600552738135096148888852422849593248239661369577940885486523116210036598683647825114630524632576113232824176309123521842637766737484309760075988162776683496404330719462488111804396583354246212582407122146037
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 3,195-digit prime (227 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 90 of 227

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010596472566 --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":1100000010596472566},"decimal":true,"detail":2}}'