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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 #1100000009061156889 2,295 digits created 2026-08-09

Value

606328030562723980206145867178431582330894200328429877640935181459452843652707178870496444241203131712110403588350138713857305313785073289882446942448253011346241178985299198407688809982285136790645457824159724231666556047472786594851476070480240283310760936319927782470314612212568378391253049823169275548272463300072550406691722626899937168044145616435324045295443512416489071874094157893365195811604278898650585986257645906620510674763087798953279943910134599879064642503809333252156016926838199867855684311531235954354297681072726247336809516272837898197858413206516566077255755848113212180150461904780485164314507805739434138569134155876654385412827971382310222313674462076206135380998146072286780048488831879974387008132687880195703079569305936704963488811496202220020297699610777816980064664500526135802957361910004647311127077037216182315371660553486418358209890563401564011677261517079807156119710203323059354576181196870034349549320859923087572520155548629017845044329988080806006867167438005435281244211678712439852254836259698414987035541228707740790582062019428438833473789510156620360364008457917836947038437828741453404232004050375711123744484494372536259074105685980846638279076315469855307096776882378605401185713544597928260107117546742927032801524662899593611795088037293345424683409153093222180143172457050503897650466708109789599262770968593105494769295556029523983788177438532063484746769901058861463862172523958698067467287190219274664971988007689363762838889377857943123079009453336462452937233920884850850793397375290055211873744469824104402529523338124653406166328447346342799576686872558399553402442886141703994349904171075664666184329338526977875968830945926326349080874412972832003857609130327061369621618779139552827314586491159600148872606566191115039926439551120490915408187436633637552102329480276896849225567614192530556478446226410639049234032753045825600627887150110969942573705866519417031235625254621295791064864480086334975885531611002782522923975110228125005001254279475133568758909279811106895178127605942421947632643374678071760956020351965648384798740493430199499443335000034107409978760168137850847376136937482272719163079404381490118681052689827465374061482472254554055042990222769096083725490681067131212211771685476138945036862140619650170179118661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,371-digit prime (183 intermediate primes).

Certified number2,371-digit prime
Certificatedownload
Certificate chainshow step 7 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061156889 --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":1100000009061156889},"decimal":true,"detail":2}}'