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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 #1100000009126644347 2,038 digits created 2026-09-01

Value

1799888156442634417722022689668600412524647017177365034250328234224829423448278548193621143056636229764708022290282587821912317600697900306932329038393929624539783373294520018013653822630081548530119751418640466305447843280020361352763180490773744548221644872986001519783240726767065530205209357005784955767602194313303891967099472879879729924784255884926349440054860390624378406790823405505282471845042531294257073166743049246411963334821716235964195855142107624669687946586907434489445537363675153309018699780327394574956698852248376772149686039686510910023567373058428352350566349424679048363466240770022677538916538667954903210043048961409959768339317778318658610917024438317609845294268853242565980959414116181796229967082289575719077019651582430619173659117220799804508446232295529964497207669996421254923395499124308167163931935930711956966578795927809251890849642182954069691901849525017715968448561771812914396998353783480251877741631317928557223984240426662271674620527873721546690111232960136051061805402017708329236434884667605011342645375212759861234095982626929446120016231329660897347727475564619290812053636915317827109333528460551745231698974436467736075014742914721832584239643356053244418939917319635253387011247586603184429515175219709240477317040604077554753086852425551300595850314494791988688129093489746914702964976668018176599947024514694341872917665814318171453499978755368108229139451219271616501887857788803718009801233874697120626619028322879542392741557323475263667114858758906408833957100455776440594495829644519656185295420563454409480289701714603377049181431531955630210369611520170881613969736127302866984562685191414033432957708420447138584585032671953390265080640033723693810295856021794717654995275018474995044121398307510276535309982277099811855184587618226525867373157740099677278991681430990888090217978780635509892741540117953273393085769229863484473848565681850446164903748140120388725526801723562702870456910997397088903156160034364778527060751514383095001860155723626271460136827230767139702491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 106 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 106 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644347 --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":1100000009126644347},"decimal":true,"detail":2}}'