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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 #1100000009054270224 2,251 digits created 2026-08-07

Value

3625375433165545888485523690558330303569067814984196020582687339288138509843320018283414526275357952070845576576364597074859523396631914746043958510693210718638801041637570120766493986581419633150400824625339869467692534143942621395582940230753704195461429604954576590961617733718646171221716681404137034545564530472747804029198323111744502540565378525335713034629575128325894966214324198576416756732760712942129629466486511299273290211755798833397987980338054082199905580671459077304881182216932904719852966867177044878392604832708454735504142487125812233219191499227225666576061292029722841860612647238509449409816763290210176861372819227034716271767057649257452977382623796140406048440977645095231268859197637621625178964929444023776506214337184625970676062967734871507584496441462718982025455827939724724710879050089886961381001349089961568512280304819316021405642231239159608509381911672700484901097586036495153388716936986400980599928133694634277488668124223233461040749424885336274268172482774950544379445903375148402552017634494675166957364115309444096894805966481585206654013405739494460722685521165386769101114352854266646020109739438148374014700472344748212022216774489921409310543664929311330085152441449029437775064108070999752214412627461621428843354780785046192359586008990044438978553410321313604110481694547102000670512159317129349039558744273498277177702366391195935168547329208350373952782026513794902806770048300773905354973037815258772705993497576781656736034235232664216675445261637970945707619839340440271956574930696170307959638166094064511794254280517763779563895582894060039253971370058310724722338787482340049427121574307075600117166180082642557558513741673215595027102652166569036819133587508162226743315063966203736545292169674260459758831433092551434071488280610508071090691585968639238750373804041594231614687565638538114830809624038317702805687999026769141122388032386019366234619168887051608135026526867535239032158074228031355646620757527287683704033507490594503539469292710728026229991413471726302098377489044240053384628464789651212738234688210186601031752715864574266244035920352763403645629465589134750360202692885608256020099896253585429361757649756499569491370665434507727912251076983188375790209902601400697173
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 27 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270224 --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":1100000009054270224},"decimal":true,"detail":2}}'