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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 #1100000009051980541 2,194 digits created 2026-08-07

Value

1484631634665820258918616470049948857694698193214050874496412726327834530771150186565988076453467689046490158291027200171616997889135540597245416789458648096638932069467971882164939767350733186578305420499322045521331665871166299396520390918427075518021002883187873745268964870249873142365098663102156643078660906836792430091835827175072180925575423773327784879315243170068214768981136336656276527690093828300116485744877117273130606240002367763786486109671798787595120085803505952157016314185944504927593781076681122144596971856342997241581131732675098143762262566615757189942584944192555176228021550466825290225998111653068120066856822143896947029321599587944053406884110631541470868870796719723757772386442946089155501907827328603874467352443228289349179514712493672886367435312565664994642683309954173330250982939533516430094080731324017961849274321690017864413500141265594003229021028681427262224534147761203276747315733350009101928541885424506701299105030922214966707843107971271242042946010068918308449868659836205035363617605524655883107705533645322059580439218056786597622812235282894416261446628716034327518172897221820390705625673922904329679514311637023062971051312480481168363335360795655236602327598211587197856514645397193746967010696858629881276868767801183079053944119513148746119664540589973238289364972815864188899182348453099824568377306595778146372599792294612768717949601296538639297797955931679851704228550530425087915114969933720021075001926991453761120431199683016705465197909976289972801848670178056625400880760255105726771952041943906259008695894331886737603179846207932773188874708168693173355056657327335757208031649512323295994031480282118115035250835998972069242139526747457661255822371698212457421170835791809725335996231876835243969990841429825549548124771598455958543250462533708861913778776001469556600040669913947056809898612015378164794433138072746950529340828215266670993099185045229920266446563400142050754807210007424760097471200549880469981618250892673408702498987486456684700687301020245527229421456656237576793115117848565845218446221009375956711680640814664445765851118866141842222588100653039057750417191784839731562406221325761769597803509679883813
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,834-digit prime (208 intermediate primes).

Certified number2,834-digit prime
Certificatedownload
Certificate chainshow step 50 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051980541 --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":1100000009051980541},"decimal":true,"detail":2}}'