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 statusMnStatusDetails143234467Composite: proven not-prime with PRP test TFNo factors below 278TF target 277 P-1B1 = 1260000B2 = 1570508280 PRPStatusDateUserResidueShiftTypeBaseVerified2024-12-16curtisc54FB837363CCBEB8114442813 HistoryDateUserTypeResult2024-12-16Torchwood InstituteCERTPRP CertificationCERT proof power = 8Proof certified good2024-12-16curtiscC-PRP54FB837363CCBEB8PRP proof power = 8PRP: VerifiedProof certified good2024-10-18RichardNFno factor from 2^77 to 2^782024-10-14Luke DurantNFno factor from 2^76 to 2^772024-10-05Luke DurantNF-PM1B1=1260000, B2=15705082802024-07-17SRBaseNFno factor from 2^75 to 2^762023-01-25SRBaseNFno factor from 2^74 to 2^752021-11-09SRBaseNFno factor from 2^73 to 2^742020-11-19SRBaseNFno factor from 2^72 to 2^732016-11-22guruNFno factor from 2^71 to 2^722016-11-22EPFNFno factor from 2^70 to 2^712016-04-30La GüiraNFno factor from 2^69 to 2^702016-04-30La GüiraNFno factor from 2^68 to 2^692016-04-04dbaughNFno factor from 2^67 to 2^682015-02-25aurashiftNFno factor from 2^66 to 2^672012-12-14oodairaNFno factor from 2^65 to 2^662010-12-23RichardNFno factor from 2^64 to 2^652010-06-17Charles A. MorrisNFno factor from 2^63 to 2^64