Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails990004423Composite: proven not-prime with PRP testNo factors below 286TF target 285P-1B1 = 33000000B2 = 990000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102023-02-17KrieselB827C2C90D6FC19C013HistoryDateUserTypeResult2023-03-06KrieselCERTProof certified good2023-02-17KrieselC-PRPB827C2C90D6FC19C Proof Certified Good Proof Power: 102021-09-17KrieselNF-PM1B1=33000000, B2=9900000002020-12-22KrieselNFno factor TF: 85-862020-12-01KrieselNFno factor TF: 84-852020-12-01KrieselNFno factor TF: 83-842020-12-01KrieselNFno factor TF: 82-832020-12-01KrieselNFno factor TF: 81-822020-12-01KrieselNFno factor TF: 80-812020-07-10mikrNFno factor TF: 79-802016-05-27Andreas_TruetschNFno factor TF: 78-792016-05-13Andreas_TruetschNFno factor TF: 77-782016-04-30Andreas_TruetschNFno factor TF: 76-772016-04-23Andreas_TruetschNFno factor TF: 75-762016-03-19Andreas_TruetschNFno factor TF: 74-752016-02-26Andreas_TruetschNFno factor TF: 73-742015-09-25Andreas_TruetschNFno factor TF: 72-732015-09-06Andreas_TruetschNFno factor TF: 71-722013-09-09ramgeisNFno factor TF: 68-712010-10-12lindedNFno factor TF: 67-682010-10-12lindedNFno factor TF: 66-67