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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 #1100000006886720581 1,736 digits created 2024-04-06

Value

17571289038233036705189907409905929580877859308740638939613601034600199739989861518250286138216440033765067112054703744100724617466485754460998595110716785523253404902733077136038967769729930351951992831763100775650345350276595434853822478244310973767496508578243280285285092996656660882621009889195427217267917249948379413876461011331477804112299264827537849946376719835896661828066915273639073101774270259079609872927219258219583923038478480543009395094783830258105635630301866915094060904681831544075517491101852832357250279503988405025221253189158674475036538684137353913014477173348488513803677493534744786786910051378052669687721822839362919515194353128001301763951651712130080611858045609811223554572329205871050555707628557516483535198681252384260331806972687890564155935785784838692742626092540484910869846923371432029704719476154294947314941533817547416123559475084322545832619095352144645703221274220860953730466247892182113466911854558160583254511187032284010517957629355671426391894085092351632137471289126372559498788809972078638690130499017123644465458472923390328360063262958645031793072603199786876037762561794983436143420815015015443374641877310943601090932275393777032627661937067282797546023121172839402437725133436041093826458399656820604184524103704005227577577883973967508202136691995946675243405109562960239491380117552513869084969203569284817955274552104391305017911842278118224163283679372636295550021603081313298565215814929187910421376052493322089420482206873427469328769419717444983489448115716104893410506058237554621113182650313474248460130577237466819819288650694468578125010502414262809582921655838054690399612246687040774417722868467564901312228766024308518532766153254005509852356483138600685599733423
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,160-digit prime (229 intermediate primes).

Certified number2,160-digit prime
Certificatedownload
Certificate chainshow step 42 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000006886720581 --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":1100000006886720581},"decimal":true,"detail":2}}'