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 statusMnStatusDetails129639001Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1124000B2 = 1502428200 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-28Luke Durant015166AF167A439A013 HistoryDateUserTypeResult2024-08-28Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-28Luke DurantC-PRP015166AF167A439APRP proof power = 9PRP: VerifiedProof certified good2024-08-11Jarod McClintockNFno factor from 2^68 to 2^692024-08-04Luke DurantNF-PM1B1=1124000, B2=15024282002023-05-01gcardonaNFno factor from 2^76 to 2^772023-05-01gcardonaNFno factor from 2^75 to 2^762017-02-22PEDNFno factor from 2^74 to 2^752017-02-22PEDNFno factor from 2^73 to 2^742017-02-22PEDNFno factor from 2^72 to 2^732017-02-22PEDNFno factor from 2^71 to 2^722016-08-06Mihai PredaNFno factor from 2^70 to 2^712016-06-24Mihai PredaNFno factor from 2^69 to 2^702016-05-02DerekNFno factor from 2^68 to 2^692016-03-07proxy2222NFno factor from 2^67 to 2^682015-01-14HardyP GermanyNFno factor from 2^66 to 2^672012-11-14riccardo ubertiNFno factor from 2^65 to 2^662010-11-12RichardNFno factor from 2^64 to 2^652010-05-31kiwiboyNFno factor from 2^63 to 2^64