Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails137448953Composite: proven not-prime with PRP testNo factors below 277TF target 277P-1B1 = 676000B2 = 31127040PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=102025-03-02Ruslan BorisovB41DF0452FB48D251132827613HistoryDateUserTypeResult2025-03-02iczerjonesCERTProof certified good2025-03-02Ruslan BorisovC-PRP Proof Certified Good Proof Power: 102024-09-17Ryan PropperNF-PM1B1=676000, B2=311270402024-07-11Luke DurantNFno factor TF: 76-772024-06-21JacobZNFno factor TF: 75-762023-01-11SRBaseNFno factor TF: 74-752021-07-31SRBaseNFno factor TF: 73-742016-02-12ANONYMOUSNFno factor TF: 72-732016-02-12ANONYMOUSNFno factor TF: 71-722016-02-12ANONYMOUSNFno factor TF: 70-712016-02-12ANONYMOUSNFno factor TF: 69-702016-02-12ANONYMOUSNFno factor TF: 68-692016-02-12ANONYMOUSNFno factor TF: 67-682015-02-03Chih-Wei HuangNFno factor TF: 66-672012-11-12Mr-PlonkNFno factor TF: 65-662010-11-30vapaddyNFno factor TF: 64-652010-06-12EPFNFno factor TF: 63-64