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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 #1100000008931662870 1,787 digits created 2026-07-03

Value

55790694474374924638136425199195349327081184474266445797139287566277562091153730702804671395797454186310588744857600474744106650463086436967797149407821792014499792561756254016539195797135385295676563650963509317449441200896212424769059797541347183145197435497491546930142321696860030635510793908931780984746458731421575586847479314307417550955571575747685435367944255655062587787508675129568728310588990412673689567857736761538818212910450448957816743418634738595449305565028789434753182686331617726773180655816658444405383307281910928224889245313915319902793865710543222740535925324697934053765363829764756412393171106535914976750617138506505885461637886034054832467263299724770792408461932880962759044019249581248762095164361490184781931119051291924033971037226195018204216669249633590629330632128731996810796015216993537023909957973485695135604870377728893285512481983682764037386303855834712649970362724750333504381196430987052398073838835886419196312015458386642650862628214749189611278422660861131907672041013623843932531252791840657593633769831939057966781692809268185587969758802321478098670027423295279218988814328963072534599760160757675078867481385138350181480272537449066010218703974150048543700158105381016904536145386449257585656605525856414369200166266293501535020834073980922136820881025640185215209489021719968238753612049179954372636669080679145817586566626379344550446177002301386219330442378284458523107448595793625642031693080294658066478153895952875517523395582428943034498792920618777752021712273770563049985692787431892422375503790588251678375021354099491672959535730030453096198912966957924835950977450596001246934255197855262539403911503404216204744554654122839389366783587877224217998263813840313768990060478175327270965022985224259364876375310434763739346077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 3,198-digit prime (214 intermediate primes).

Certified number3,198-digit prime
Certificatedownload
Certificate chainshow step 101 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008931662870 --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":1100000008931662870},"decimal":true,"detail":2}}'