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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 #1100000008766977043 1,700 digits created 2026-04-21

Value

60869925933494281480882277494632617875617504330478261565620374773843150968965108221675414932669005403511671726298129122085895840296939601845101727141405887978916463154022684791852773344226175125253522600334497949233277819155612154875947518014482245250707483355883940018336645836894867351058731545874811478036497023760837048997140269528654885709562919861369710343312294095543458310115487953140900934915443477117159656070734776765674368485085523214474308824911868381918231034959296054347452423798448385072582893250628208969676311737672658270302027977327584148578154302670784598513942293472399759847717780722643732956685390091050039041760968052909037324176209042956731659139180294984699083336704858985565590524523865318655442029328818797041556471273643413385930079907090603378528177676975264955435365291740636023939773242666456423921663194986605598858294539051640935525888601854793317873586137960065268228478539758794828674355095311827822765745228025092257284103855663937759504990343495952091337927166795823294234699883559677779843228042776459987288658145426335654982406090730173364369369055329632399549409921309161032621145116001780004900752803597581721028299569972317233104377898016323696705861325542427522942892700518436006116454015401384558945569790710344172077539575090071275244199774785965759956985263575102118771946664978845054014229794578992069065763073490374068753450069160447815849325133211793677357469220564119442228436540363014183157241680176526119665666563075778595700674141466215572466145058794292681892646644579841775782896661145515218388510299918478249035901519729308304524180410342547905227221546039573564313297554772373534897276605087350272505270309228904296245271648884880049423916449
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 98 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977043 --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":1100000008766977043},"decimal":true,"detail":2}}'