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 statusMnStatusDetails128579281Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 948000B2 = 356489490 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-18Luke Durant2B7B186BACA847DC013 HistoryDateUserTypeResult2024-08-18Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-18Luke DurantC-PRP2B7B186BACA847DCPRP proof power = 9PRP: VerifiedProof certified good2024-05-12ResolverNF-PM1B1=948000, B2=3564894902023-01-21TravisJankNFno factor from 2^76 to 2^772023-01-21TravisJankNFno factor from 2^75 to 2^762022-12-24SRBaseNFno factor from 2^74 to 2^752019-07-01Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-07-01Niels_Mache_NextcloudNFno factor from 2^72 to 2^732016-06-23proxy2222NFno factor from 2^71 to 2^722016-06-14proxy2222NFno factor from 2^70 to 2^712016-04-10proxy2222NFno factor from 2^69 to 2^702016-02-22proxy2222NFno factor from 2^68 to 2^692015-10-03NumberwangNFno factor from 2^67 to 2^682015-01-15el groccoNFno factor from 2^66 to 2^672012-09-30subgeniusNFno factor from 2^65 to 2^662010-11-09RichardNFno factor from 2^64 to 2^652010-05-29Jud McCranieNFno factor from 2^63 to 2^64