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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 #1100000010597255925 3,166 digits created 2026-10-06

Value

1518220990823173587102500268872545671066786084648826182354592402968203397264369311577137592357442080879608120417959292287426142135580260256321866602491138191536470070389800015729129238603034516434761077436191232262952764139013503971042506326011462963953838384650218927560351604134024773681073555278152630552190334388391963350457812828996419603843736669930660785122341841862503744269490450569615661300881434018284871551890069475122082965602470488338751186438534985940397939704619518107102893690224862772639114339922831563488433942118035215432858038914681063860500809060095744063955036866021650357650469313366919468559627316235486157153814169929104379658789641339023870411976466602160085327052184858851844250146761115303697229498550223233825203647690639802150596684019146943316999354923243034584966026521603070392005872430424881679164649760584286967909404187777769956294966717919682368710116819420940511270989770307265957808566569815958970954293686997797398668148850974073287201689376721918524933293844229729465088243968612930781708845513044748860006037649981525664970114916964632202959895262353946527822879087279343531646484436052965805667967566606731220316278627731726850516396992873336229936562278525195591888125559310563540209506518985753296580617549954902278107946900978442081988178139911053514258746326669617132462432754949809645519024575473470755064559111890769532053808125841311389429227618046814908216522724757194385439669762749083685788979890246279189757928841961765968289589105001183906247839332437676895698486531526596034659418171372909122972279352469041622433411432298336309645880180517030242398163871350558591181386647065263922932624746140002403846993323719740994390134886775147057290967905410689325899299526498102991559643395489424599297683516504448421347030033269268089157317417457035871167834097379640174194098709255138980360693775746242892096639929981643377275091734307867033998196689417842067318643586799600408684002567774459967463202312483308403695007913260479424415361860195643869234091572218724414444777954850015015500094936554830865542080926828102291071251696701530061139566910992799549770464766889540403193140302274081191480333865550717580495529084616413762584975922899984813418632963806718786393392930257544025216696037485179776732843839614832125966864207505198636092788909531581920771071690369273410762728416331579652592566030634093244786092055994930605015875103841152243492221485078507439273073133013166298120340438174903291935572289041447294446389053622995980003078635914422509252211177477715751499839234507594625957449842024118844147642120078024710978012581045849548760382772562023560661595188017819471689511628430905160069467535589629843157191273577115815847888216756258763451906561771573678266322408153656687633896270830513783976822742386630385472265379365837867176556945914586584400296877435865033934219174311827603480823202516550092673735594397584140346269856133453557476402315372010840674865663042529394892386464798695288835999838376235840321233238620427039158809931180600073800756394058399567849790557708762541532452546085306221221551825259593922147923455248688077013863481058685918990809847875834560671037267338466513377963916716349
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 3,195-digit prime (238 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 4 of 238

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010597255925 --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":1100000010597255925},"decimal":true,"detail":2}}'