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 statusMnStatusDetails129812279Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1124000B2 = 1502428200 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-30Luke Durant38B35BB991B1500E013 HistoryDateUserTypeResult2024-08-30Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-30Luke DurantC-PRP38B35BB991B1500EPRP proof power = 9PRP: VerifiedProof certified good2024-08-11Jarod McClintockNFno factor from 2^68 to 2^692024-08-06Luke DurantNF-PM1B1=1124000, B2=15024282002023-05-30gcardonaNFno factor from 2^76 to 2^772023-05-29Markus K.NFno factor from 2^75 to 2^762022-12-03Lars HNFno factor from 2^74 to 2^752020-12-22ViliamFNFno factor from 2^73 to 2^742020-10-20SRBaseNFno factor from 2^72 to 2^732016-05-15Rui CaneiraNFno factor from 2^71 to 2^722016-05-14d3zorgNFno factor from 2^70 to 2^712016-05-14andrew892NFno factor from 2^69 to 2^702016-05-03DerekNFno factor from 2^68 to 2^692016-03-01proxy2222NFno factor from 2^67 to 2^682015-01-15OS1NFno factor from 2^66 to 2^672012-10-07sannerud.comNFno factor from 2^65 to 2^662010-11-11Charles A. MorrisNFno factor from 2^64 to 2^652010-06-05James HintzNFno factor from 2^63 to 2^64