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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 #1100000009115726526 2,306 digits created 2026-08-28

Value

63540944541728604927424108607887308463703462418010298693696004125335917905975475664776040554856408527701786214791573327704537700120340586400136566080320275006806048041830302773523541236933471756439456729097814470260480140755686875212346044851201223881159767840695592903057804967298136697809767032576161846388775149857901138066678394644868268232817163106196913391334314627397209061158445820999622558852340214439192866345879632782325199565893164081860400102577519847180843490510436660738241498720093786166737676912680420718745299404825269525862268285464593239169428379586117287992387873088944084748213137660509763926334680804841774453303067344126665348785390757686420916430287473984726957128394868635755603929336478993174981636951388954055330407597974014293241498352456205643509789674909554482162482702283484584482322207388480990091990774150132960605758019906038018618935275276111701657224760990164313717173210973375890981879786229620329624374251980263569224172054974209311522596458000270757318378579260279244524897811958944875928415437947512972743310350440631657478520365463314721685263845347436548784365369954684945602843143608238711680054488954169089943750633699368753807732762763689777161604556840972887111993669902041368377399120704350971822691406464725120436538632844030461751806828349055721174630006903098728371345349210559915357767639041551908980460606754730295773353010238215807019275313487407743535137628518511280081534542738281112606367720830639417026353830587664109445625437152042817849606289162427044697644101851092565723455224985319664599358274163499313587499020002102589495293369255506560210192566386570624830789778882631497638895258260541256490837101646329079573501378454147023996991847438644550618168538670560569807220924588296759334081982763318542654856396611008797564739390560570745436386976572394192476951626845623954445501428093401496491622308584708792135506670563176063670477641842804128077734744570310577629900511061549012101571025110522870479019934282916706249762774560213516193889869467284099659920637968412066145641662350277479204850112376374769080797572499523483774200486576900581390565728261479198646137916922208796778887455932679549317756716334305977135402426981682219056477688928571835971635037767930770895948304408792118103110305796707382258566228416202347275377949688395211211
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 3,052-digit prime (309 intermediate primes).

Certified number3,052-digit prime
Certificatedownload
Certificate chainshow step 69 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115726526 --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":1100000009115726526},"decimal":true,"detail":2}}'