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 statusMnStatusDetails117960863Composite: proven not-prime with PRP test TFNo factors below 278TF target 276 P-1B1 = 491000B2 = 12689000 PRPStatusDateUserResidueShiftTypeBaseVerified2024-02-22ky0urakuF6CC03E416C338F36330813313 HistoryDateUserTypeResult2024-02-23Jim DonovanCERTPRP CertificationCERT proof power = 9Proof certified good2024-02-22ky0urakuC-PRPF6CC03E416C338F3PRP proof power = 9PRP: VerifiedProof certified good2023-05-17Sturle SundeNF-PM1B1=491000, B2=12689000, E=122022-09-221997rj7NFno factor from 2^77 to 2^782021-11-25AerowNFno factor from 2^76 to 2^772021-06-12KrieselNFno factor from 2^75 to 2^762020-08-26tscNFno factor from 2^74 to 2^752019-11-13Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-11-13Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-09-01sevaNFno factor from 2^71 to 2^722015-06-15Smok_bmv NFno factor from 2^70 to 2^712015-06-04La GüiraNFno factor from 2^69 to 2^702015-06-04La GüiraNFno factor from 2^68 to 2^692015-06-04La GüiraNFno factor from 2^67 to 2^682014-12-12ANONYMOUSNFno factor from 2^66 to 2^672012-07-15RichardNFno factor from 2^65 to 2^662010-10-13sasaki3NFno factor from 2^64 to 2^652010-05-12sannerud.comNFno factor from 2^63 to 2^64