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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 #1100000010597897489 2,060 digits created 2026-10-06

Value

25726556200267373605155236759943294096177441018299022150822774065507125825342687745504260175456470825114581270451097861227865612639352400465332608062936877318672117347860874035200796154249596797501717730225075352461703777171498663645539883307333238333085950467031991657293699295084559828454119095710353373415712457546956204566665776512089122970186593200247711890226199750729029077944551468569241250492153488086397104039506503220976155292739584114784412266196299789162592065612749312637440357903014362729952120331621373647397194195991255332422072396306810120629486192727424890952815327998332931725334849849568614429738031960370000756852253232354083879005053173687768059247988041343660470104982967779904061224218651113852638693965907120274604719732264907766805602651887163762762462003537059741487944533511195416556313818499299342904231215443008982820415691786985015861992086706875961131879042163107092841818347364986369916161134405801915372866999423935049785782922844865775378765603139291617121350065303225913522489572612339939837358460151520910583898236507939018422186177028746737857595242603270590152679189923270952569400097261780378710815338249029568546427869109510916071721164480869657062966502218416073249024786319158298493969202482497173927029646076704481304199189232144387170152609370502001328918445284250153182234787877188218182701527332470766642759608915728234942138175587706232710156483806664709643886287377723617975646449401868572457664967850163477155820046639061697472723027784821069536429525648424468785797314697074827080443014294828362721026467766573819329182350372119853274572638523459916625425630404539153359155821769191111761806937759579739979883625262702131157603275920467799894891894059402991752995829798253128454303748134232271879535636964642979493951931582598641103177375080352640497863924066118766164535797829581529076634768514451889225037505810297705919697703488170999781763045241055490297040689770269602964782832814213678736811723403159421500178755368654452561973443175816643706017832084806238426987269911073494246496196471334569188088537
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 3,195-digit prime (230 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 82 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010597897489 --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":1100000010597897489},"decimal":true,"detail":2}}'