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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 #1100000009030656520 1,630 digits created 2026-08-01

Value

5437258296632975195450188575756517984177393250727002530819364803193686034156737452376034835993493504964821084204432167434566134544624066038067517844753784477756189807513457517185157448599541525345677326390434048998560991712606965654910480125231510180138723004437109120395450289730377755572704121070059151618347573156738434762544477236440023394563277622381198995784791179543513171219340100235582751759005365361116572919692616900923847956861813350620792953936664124071750601605558491476489418127512245268005636552646565665537695927606627490927141170454667124648143134120730112251904008886531832567754079331019758966200960117898492088746984692425973172081534188454232796911049067890302644967895207109602323992405062629224109216758245025435519935108847150636027440710695672130055166458339477181382477805259010141504070988388954432919474365337686343086904322760189974906286288790333484626703211850171696560995645474197059320587475051455126019204565998751926965186297687037615899943458893206215161681642832951502073049386460106651509348916562046415590648211343289724813295628877857894661900670032438115406491438909068899725148547636759843825465577216474782019201875994270289621085619197882937908956282801861671012847011313800653148168314670378508755915372644843874112225047398829015782038910958091478432255065911561095244989001238691902619940119941004574296274976570871984791456949772234922367031240731841404907978376709330722921299818095049049143463565310646484184749714551234342643678168256161976815958760937866034006379856704022476501797506805929483935141515624404122686386249315097324851610643596468614142261502881045165807254327517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 93 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030656520 --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":1100000009030656520},"decimal":true,"detail":2}}'