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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 #1100000009103249955 1,770 digits created 2026-08-23

Value

482971965455510817594486920218753619429118245494049741952721413367195027509954626808545886022465886786558631025514509477454127613896394931327503522973295272496911371368153926180857910569402563376627555380598469442063350884630354004868180383727937586571880459009429546192802401725839210204391722586600116712129607387931860246702596978487445279905849562039260156909514183956987274848755941665654386055570167275659881159529081818283674033819659818364088568447490554569746886564161394002713892944582811849208236191016135582514115926443211486339007148768375771259886049834011144002852583023502522542612576010933275884344440238466934133827733553038144226364778091047502221934599426099082946551764498826249947437467782766210382943669169113067902893583267078528987409274259754133561361086800527549951835177456921673800953637405680503942379720945757255934151894644555251786140178524696915790764591201858498234975321670634974062855235678734083242679909055591910212344466183876516731258270115629433321824830548109743818793565174855400483136326142746357884944702281643683679461539400141334544163341796330786511519388764336722294108097942734615010536740946678395364108052429234617602788723225164244401267257684344696077517656398725357461303700210075450473691621952198513999140832108534470941832010710378597225116067835710855403317692744155329513379745356737764156647111884814638789878392587936117857793952632051345663437139953406814429958887776258394909278572634373762499985114011292936404268124731728486981845931631806004019343364512966067544573806947326900948281902252446505407672397233995670544319567829559721649116991944339885717826658173390637970653953871487555926690054090379509999213347385439954273704598970231941313755395152592153993200718876383096493048464603141200304050931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,987-digit prime (220 intermediate primes).

Certified number2,987-digit prime
Certificatedownload
Certificate chainshow step 90 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009103249955 --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":1100000009103249955},"decimal":true,"detail":2}}'