factordbrpc · fdb
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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 #1100000009075279185 1,858 digits created 2026-08-11

Value

1255842529685185720604009498594608630486676628739385688560802754322376101477636171722776010911050399318639522063714992399722657704757681392496557063170910575422105412285915004527998101477529551883099222188114154097005515036232612796285929775932085627857192299508803982559739622889716047812247844007988082982319761097875353187337291113474259542484286783886767202609597416648956462295061876730626719930604954296789284006514322410086864768467154210496615949770410488938320999239891559352792604690029452771042347106981768249331617715575485672267797634330920796216693109504890940978755162618772300586926583309921893456676142698044534190260022612681452898984618913973037629034129133702935667148624671925724222231484568136412440900737158955811183279791464172614260084049332356143782492613976020888371268702383591911695585118189428519868967502645168616745533727333299884021763560131022015133149960068147564978323992252455729068064676211803355050428083567691398319942552900845828130121960313401614723574557566131542742590668263717872363640877984655485110878785465696227154966376872106140072141438118524735715152092880229272867571462214355740407295508579430469560923516664403826790723422997652875709808359165088194260171058289895137313930677588876856406833690030123544750244217282020508902632946353474484283457531884431851791212775710107599792523784054280545551716659984440109248976608252267362969511776815477665348375252824457910471948036695987000666855026221002060353894092664803679162697843085609286510399799188515279352130299176206423921335993961854017715444273379127109376226755799016847625061907871226214392708057485003976215167125324636375908475999411317565097528997534545803569622221344122406321992007906692560517028389311340499313398976296332605647014376673843856174526010492630232132588816453529934582096147439599395725019673376183309837812779223416425295603
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 64 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075279185 --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":1100000009075279185},"decimal":true,"detail":2}}'