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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 #1100000004855241123 2,033 digits created 2023-10-24

Value

20143912672514553033588525034288904834930699952748858841811956303067804819661196744463842193686318848467515922266449486024450641288918781711393000046999712398943049335253716850516525425333584580700071850498276789364490450564449199690936199319022805610799417834650174690147255542978208357797059777666239761510874915520205440983223813886595914656740975988711857298014657210330670431425908294914015784606432557752785337453642045319437970261736135132689019584658652131914587144604650676131390213558424009962631725844796875161679357500128651931996253293926148563661950018179424528304821003677752248608296156902813065053549253128735260673981817336806340343979994976852670091634305793260053473187518941918333069862866352493668399608970063252243046270146315719226854916406338976345811474068273092797276329920857262336995856756051589773784116095179281691258578780623802201124518154561880565166143441328487005117014150611904846548064007034452798777633996668857576788870630818672753964317688406520006125031743469260105121835812834307811974818883979245806373665691778463086189713501705678104294421318274728046724032199683274457345447109536527795945533776047071125618075030577980425655081528954631470934475212340972190207552277554346417869430357737200792326575816502862522226134678424445983965978675346165639729382810590833757440142308689152964962557192577135205726481141916482451366939732788678678345845244791256230026716609682945718879105064596869125144026490225172665889642199631362207126742432651238484183018975579298223413148963714719961936714033916783327721728064308840842071861683303564848158326810227071607488640952760591667380642492155232044467497557872096824471389237770725224207102611546967212013969910844196676908965663085899641437490627384223766239301841975194904386359248951162445964771663878503940571727606936562084217296774353171611756521546244526945614324550122421401793428122615079431502962872995945168982896542076631906724155559803311323307524125840854465964835074352405260896456660374398475733610953072373502578529616112351259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 3,052-digit prime (334 intermediate primes).

Certified number3,052-digit prime
Certificatedownload
Certificate chainshow step 99 of 334

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004855241123 --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":1100000004855241123},"decimal":true,"detail":2}}'