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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 #1100000009012490157 2,285 digits created 2026-07-28

Value

56819834997364161077290420570645610823118639379094097989265872750350441693597822460023120833968499850360307061280094166335319982280983313867352076707193890475164284227171946444231602134360687956133533132642823442071342068025007049443256928101148958223418752387901747975618660689179758366891505172398170540265457292828262426896834516420073938642360344169239284519517226527908839375039846938183773039491348161929759730550015743499450488614472894462330385783138746498263119144019698747788791427336440661213009402633331718021366180418685139482237847116617629776221314840842373885541821682308464462879036419026770411431761383905125900927259929954644167827238194427167984696837970857150214036001720084504245884011573585423541829368544871258358887446976365322640769196580054804151124558907236925211568069114261056764059237398923460350689356524982553936761727215984998602346874551867184218337597385834624833417120817695210208111080187143974154023213792029592254096737578088919857399151579308858914346000669790006858156712533571022194466057149248984533681514575498651534210926257738961518286109828917236217335105027698879044063222236807962241623130664543284045408955497792896547020146185833436953778298119363166538085949159430275150069617583849458342449597412035502000361715879473701568604885342811963118326509620199390837502072614064063734615481424278111190107257856500235015647470778445890867890304500591334384777824177377806974130474576121126724198201011876093906138916652643835815361450734151267550565088484200048678603274432059710552510337316084516634171352489515230064120676460202632187041563669195978996665817257905774720496803873156009802531592932527101697929146505647227576673011070904593039237538623228327215080083765338964928547997272748166172277071893073981084517636297843948263541163526601716798534667286634456733760449863438813629506749169985736372820792082979827387601421103386648558548902535371814929162511687153581025384290188064590390758251511197528577141842883805128510892194061507093435405569481303713316579706711025921742954473935840812399796105628778242169129578965824934096950668568388930900473605856846366978308526230490675131748831610186602091050365609663532574615647329432724862486822194692648770506731847349696723318234399784566082745652901173887063173510063451233101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,692-digit prime (195 intermediate primes).

Certified number2,692-digit prime
Certificatedownload
Certificate chainshow step 29 of 195

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009012490157 --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":1100000009012490157},"decimal":true,"detail":2}}'