Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332238407Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 4090000B2 = 4090000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=72023-03-21Simon Josefsson006FCC0C651D4F889056153613HistoryDateUserTypeResult2023-10-18James HeinrichNFno factor TF: 67-682023-03-24KrieselCERTProof certified good2023-03-21Simon JosefssonC-PRP006FCC0C651D4F88 Proof Certified Good Proof Power: 72023-01-17Mark RoseNFno factor TF: 80-812023-01-17Mark RoseNFno factor TF: 79-802016-08-08Brodie HislopNF-PM1B1=40900002013-09-29Bill StaffenNFno factor TF: 78-792013-09-29Bill StaffenNFno factor TF: 77-782013-09-28Bill StaffenNFno factor TF: 76-772013-09-28Bill StaffenNFno factor TF: 75-762013-09-28Bill StaffenNFno factor TF: 74-752011-05-12Christian GeschwentnerNFno factor TF: 73-742011-04-26Christian GeschwentnerNFno factor TF: 72-732010-10-23Ethan O'ConnorNFno factor TF: 71-722010-09-18Team_InspectorNFno factor TF: 70-712009-05-14Team_InspectorNFno factor TF: 69-702009-01-29Team_InspectorNFno factor TF: 68-69