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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 #1100000008677270928 1,604 digits created 2026-03-10

Value

43566186712394333643829708783625543700234436496755156393021358482868963138282208959456342799352977483726378800850049449701262230438025479716748817964829135808307559101864618191345927573976148493094226349252684392399802898887632866383701267094940926229662137152396748526981038738521094599352664326595542084168117060155920945699987751145883719420111729999280980757208651790861760189453317990566709964327522324748039737091646830761760200326205751178638483004842559117050198843810415240269179001681312198717076414191086741164926031151568338577660280756018536507894019946379990483034327853926853326418862618191552621246683367369694730777813325675767135188502367587982121181504410381362065484744389947098482923905006827495891815198476518894122775573090778453377011992749577898657199614357615746883261366751532496716996606086080708549325391176785394531068109031864126276803400347768917785461780894968143179783600477391947481869907458016577441497583408335686449948976900477539846621258651938898357796771305245405154559004832629741903870998529924677229358249666138132894841616884166003716729320039988217160985684991002081154849135203169843278907416340141098837808908120852153080009910102998193268932277622558590676013573394608884413878335314469547827312007552611074025692269406228487483033215608159841944235942323442976459815246732783785940672066158831546573660277361047920956196290710517682588254057459371709317729602765515832295284604261802408419502163231824878235883057217596492884588233454256615133486470476977357187450118256668703672425145940412110941586794059173122957630834791040729925187960780022640078217
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,675-digit prime (163 intermediate primes).

Certified number1,675-digit prime
Certificatedownload
Certificate chainshow step 4 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677270928 --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":1100000008677270928},"decimal":true,"detail":2}}'