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 statusMnStatusDetails117827887Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 520000B2 = 14055000 PRPStatusDateUserResidueShiftTypeBaseVerified2024-02-20Luke Durant22A248B3A034CA7D013 HistoryDateUserTypeResult2024-05-06GregNFno factor from 2^70 to 2^712024-02-20William WallaceCERTPRP CertificationCERT proof power = 8Proof certified good2024-02-20Luke DurantC-PRP22A248B3A034CA7DPRP proof power = 8PRP: VerifiedProof certified good2023-07-13arnaudNF-PM1B1=520000, B2=14055000, E=62022-05-08TheJudgerNFno factor from 2^76 to 2^772021-07-02TheJudgerNFno factor from 2^75 to 2^762021-06-07cacheflushNFno factor from 2^74 to 2^752019-11-29Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-11-29Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-06-22endless_mikeNFno factor from 2^71 to 2^722015-04-22Josh FamestadNFno factor from 2^70 to 2^712015-04-05SMoffatNFno factor from 2^69 to 2^702015-03-22junkcalcNFno factor from 2^68 to 2^692015-03-22junkcalcNFno factor from 2^67 to 2^682014-12-11tscNFno factor from 2^66 to 2^672012-07-23RichardNFno factor from 2^65 to 2^662010-10-12sasaki3NFno factor from 2^64 to 2^652010-05-12carlos56NFno factor from 2^63 to 2^64