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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 #1100000009074148437 1,875 digits created 2026-08-11

Value

223989997376812065418559832094950559301170284702954374718924853160245034314971224886522417339403526312315530594850606094646374459802195559933681793834023301243196452326499370435810957138287800856102523146724273390477809211690439091394171253487010339001299937888341852552556659332126205830535600331727344166953142969209544349775418734530519798127048895336400005041915480091015120886925162810301286862923452171403663802674090225040708195941962592287611419417225798813978988087096913020303904010419888472652653773402426580787241422923207513405736457050411536662963380907140554107113762070927029697411021372541306070779252431831156043209559736645179556793541533361109115811178465086568902924602549633177399255181725943054855022321512989443344050969051464852925506232360793613364304245517852061642040718207521602557716891935041996264482853447944698612030651772342068842063386179830105644214602223860235029184023279630731322454663957290910768149333551460779458915427989588860023145553517746351879935503210587549656462198889980558576257665110739754915352782204945390256361459285812564817522621614520494606839215661791437927399122041797231810696436935329257967073299923272312268400268246050667316536270726975115570141606696964386787289005659994261127322154476116771044967154890222193602080166986110045610857437602489696023054928291675214599964158147850681980486135102760688937399548117324222911757667926968962104644423258521405677874223971654370818958782226525373198593110366235854665964191639447928675913319380870529046501195905676930249735406828425916223459221789690873267242395605616436025484246298093170022141777974689205097127256275150197661498442880487950815416164340915276137318250168322279102770398441150570532036380770848197738760525603022007076319979669157993265324579787701188540835234582495852188280215777618235251597790641325360114218298741296838357650258156934919036323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,124-digit prime (166 intermediate primes).

Certified number2,124-digit prime
Certificatedownload
Certificate chainshow step 20 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074148437 --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":1100000009074148437},"decimal":true,"detail":2}}'