Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails168730223Composite: proven not-prime with PRP testNo factors below 283TF target 278P-1B1 = 1000000B2 = 40000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedNot UploadedPower=82025-02-07mkras8759FA2A7CC87EF04981330713VerifiedCertified GoodPower=102025-04-06Kriesel8759FA2A7CC87EF0013HistoryDateUserTypeResult2025-04-06KongoCacheCERTProof certified good2025-04-06KrieselC-PRP8759FA2A7CC87EF0 Proof Certified Good Proof Power: 102025-02-07mkrasC-PRP8759FA2A7CC87EF0 Proof Not Uploaded Proof Power: 82024-05-16Tucker KaoNFno factor TF: 82-832024-02-20Tucker KaoNFno factor TF: 81-822023-09-23Tucker KaoNFno factor TF: 80-812023-02-11Tucker KaoNFno factor TF: 79-802022-02-19Tucker KaoNFno factor TF: 78-792022-02-19Tucker KaoNFno factor TF: 77-782022-02-15Tucker KaoNF-PM1B1=1000000, B2=400000002021-12-12Tucker KaoNFno factor TF: 76-772018-02-27Oliver KruseNFno factor TF: 70-762017-05-18YxinityNFno factor TF: 69-702017-05-18YxinityNFno factor TF: 68-692016-04-06XZTNFno factor TF: 67-682015-07-14JoJo-SUN24NFno factor TF: 66-672013-03-27Nathan EdingtonNFno factor TF: 65-662011-02-17Mr-PlonkNFno factor TF: 64-652010-07-08Charles A. MorrisNFno factor TF: 63-64