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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 #1100000009086368467 1,019 digits created 2026-08-15

Value

16112365437808457100192761000749712694374560689000794585488213926149382181205004786721243657349879377746439268376138998732308881375120227809828593055429053111723806788288030765511692759394881189896141904724530241516385614491481493571290367680373217881855553338631379749643590110228298248305245004075966088280734809711551704763752600234548111374177509648986250601661927488675829145665698833273869814808054176986316020089965197026114359570858210066592856817415977472810550830001906148137541840163946340473267789009472201433394694274318737106142765593599765905838226802784120713147936828457601031978584395062604120124392207636890720243575938803550820789593414076286088776222263899153124219195991905396589596322376754519082475090610809702649301546204731420796014321676241684232266208338088436777833769210768486999635798530388492583026391252272607552319482010732360927143799118576338483381804775424128555224331912873479734247831274562186652916353551777508483333740636164898217532971604394244229919630293131807882178500404887
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,970-digit prime (149 intermediate primes).

Certified number1,970-digit prime
Certificatedownload
Certificate chainshow step 71 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086368467 --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":1100000009086368467},"decimal":true,"detail":2}}'