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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 #1100000004880158431 1,909 digits created 2023-10-25

Value

5185362806921084945101749189822516889111735594540537148239657051673961018482289390712760301660570227550441252491823504152226424398894485365513881812658742565301161911283571938807791986718897673354693773604427761257515208113600559377885742952945253718085683413673683412308158141529090571427107759218383161664707640489259295628707555489048649765874277331095271026555333143269845397355203998176652960255645568488042079312008594936239418669909422075199937131076360520422612214079723045778992706941789062376075876362310910468409455032623072204670335159351180077152369620904052035169594058046799958439481801405330408810380705619818724214807033577462303389657347830230953177575772675618535250936268748464952507043045133985068774821140679257338062447815431493897607787328309175452462685198774930430509016551151443500461600662933881255222897360826610432562382651805401326991866946085697888069217506153630063546761857812009686557783685282409674022573040986524237309433535343887073790106466506933679543427535403643242680176986864604430872719188946595844498211822955691815851909136746008682103706042640262219916941503935734239138112756904083736499106135235446335629824602214925778908063031014930719878360364679267354869644447185153529727279589552897006034351148405489497963721748601177947703071335101556603521954089956651094452596781696252835397065026874840850573062421799032339808302478384640011585665096662901274497020893807387804774037067999325937748988502078999837931088658361535845176689141319861991677012421805481656004903977767683605508193267440470375455531284894393686590847674513499117638227164169220151181855018900666997534211074832674119238991551971895660530768035236644205305967310542877111302320797905899642356858582585726783398757137295925236181551674664658451186243113151205984593493149971735021512878288508201975803250499055187238612807570007513758513439698288324414081064069220936245797900559949120496489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,397-digit prime (261 intermediate primes).

Certified number2,397-digit prime
Certificatedownload
Certificate chainshow step 52 of 261

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880158431 --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":1100000004880158431},"decimal":true,"detail":2}}'