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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 #1100000004888857799 2,204 digits created 2023-10-25

Value

61256085600342321778502513704533454282596454086194661057514919181623569431373140551508853852115058683119780892053832850483263739737434395412777867235378184745912844468428640558556186251190094476062875013229920524555181993934595261444993102731047777964056916579757870081556456812337194786843192955232206225625565678679795849840193648584335679215361722758546957442775607728697659487825231351244301473117242059893281634852592665859560761000117383248741149715935978018691370169178105636236319575402960420413450698860423987673925537646016909268090759775726767850985730729754593921512288564194158918883022610988401364305613513727470010041948650146847569000584311350962952043514335716650968398972217890009807305263358362759717694258993889952796217949404004214970213552105364975052882978544395386703057092731782815305071912332072636793771011337655987290463865052217887917460333336931787220333492001695959010062169634599552195577895863583349884347210201010476232082193186828826993928292437406102854139319492944155781013755283828583304208474740052431417058287588318766032051970249577862510265243120020195753317034427609920392270143810688175407116717960056147368150620909862862012782296522238411365077954849580218994332739390117412519848470899756672566982915283213523450291837501758392465589510117483759510228797916615990614617772694231671209372757169703490683454577504664830390127079662639143264325324149581665053384507016585849714081574583042025304639693967610751754459413233344752823811111412203291188735552221623236000548706239654308971510729012373702194257280046936841658637123610448816897190986479681311316226776441124424521449486379657240030311192423312342203571998621564183194310275991061830098470159635018337610516914156866608960925780929092088005974888337094042509080494685385608540693155366463680749098218590208540392685496286990736688924448791431880625997784950282158316770734761760351690406683212721999910274971329399080093626852565711484205912388732673773549166039276264854969949427186774857153786227927496854405809353006897411859044541339280364260032036374097889101837624954652198786515053219531671672306074936278304956180167018296244248445853546604302193583314437278859677976436777801125614152538081
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,270-digit prime (261 intermediate primes).

Certified number2,270-digit prime
Certificatedownload
Certificate chainshow step 10 of 261

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004888857799 --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":1100000004888857799},"decimal":true,"detail":2}}'