Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails117980873Composite: proven not-prime with PRP test TFNo factors below 278TF target 276 P-1B1 = 495000B2 = 12614000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-09-16Dmitry BolshakovFCAEF3CFC13B40F99544494113 HistoryDateUserTypeResult2023-09-16FineMojonCERTPRP CertificationCERT proof power = 8Proof certified good2023-09-16Dmitry BolshakovC-PRPFCAEF3CFC13B40F9PRP proof power = 8PRP: VerifiedProof certified good2023-05-21Kevin JagetNF-PM1B1=495000, B2=12614000, E=62022-10-16Brent GoebelNFno factor from 2^77 to 2^782021-11-08voidfNFno factor from 2^76 to 2^772021-06-14KrieselNFno factor from 2^75 to 2^762020-08-21tscNFno factor from 2^74 to 2^752019-11-09Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-11-09Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-04-12mersaennaeNFno factor from 2^71 to 2^722015-04-09Andrew BNFno factor from 2^70 to 2^712015-04-06La GüiraNFno factor from 2^69 to 2^702015-04-06La GüiraNFno factor from 2^68 to 2^692015-03-23BronzemanNFno factor from 2^67 to 2^682014-12-11ANONYMOUSNFno factor from 2^66 to 2^672012-07-11sasaki3NFno factor from 2^65 to 2^662010-10-14RichardNFno factor from 2^64 to 2^652010-05-12subgeniusNFno factor from 2^63 to 2^64