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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 #1100000009127082549 2,131 digits created 2026-09-01

Value

3738262263254736399651388680195463620456101319432432406135662932553028155690122910039175073654975265443009680800086352926676319394204880833139921027924555407527445643205141622627328945728851371261008111881658169925243576067365265941192329570885680010140047778601994201140948373125121695770834799284433142935741683394075363997945343822883041046452696497075773021715382686483156824712337910361356534106034424790258597336522205580945748274791721890623030074630615507957195815065533116973687776344714354415165394242411494991143450182915856120765589582547762158018390206676123067541871984048418414204663630931191906179344379522738042832631566525363436500474515091950904238499302200983750186964451307603094702011456382872388419285725514667228826171428509819227359454160081080618107110599888461286420537142250175616556449737874538043022226749145189947157332361071066471794698585548060336200218326762555304635713170352659360935847136345332326744358100356394476502818737343218745714664108398046323379575145240757755623474196708547015497330035282629754800994194635152566275093567673748444886472749375533056620637706849027933104256589663239244007160575055745382180686306047437287370651730035304441079534064433585591532410258103493355140876706593647466720333933209686864508966686346285051693549835609120975997089219814591480431099359268897232521245088444085947881349089399323455463275691518391239514251298744751565460823760140386368283874703016628336020624965320654382524397735510733144872171816002402456923015840325955723856716849871931413100793940951337094038688905430792933177500584815986447539509210254698599636555931228799349854734119483747219810000787279584104377533220704689562961336788087162439888218516681263811460318406203828612258195402657417339520512909488841270953670380341193139865200502251069188678037069356013321602575483553395785720217579389751447457875429166672472882265639331000346145171624819434626508193945800780354898756136322330854238362939852739162102987264398593922502169764533292509283003514674961186524071273798040951424602973086852280568303499822548431402059385725502090045197434868390926042442464561495836987635389
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 3,127-digit prime (318 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 97 of 318

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127082549 --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":1100000009127082549},"decimal":true,"detail":2}}'