Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails332629027Composite: proven not-prime with PRP testNo factors below 281TF target 281P-1B1 = 13500000B2 = 405000000PRPStatusProofDateUserResidueShiftTypeBaseVerifiedCertified GoodPower=92021-05-05Xebecer518EB7669C49E04E013HistoryDateUserTypeResult2023-03-25Mark RoseNFno factor TF: 80-812023-03-10Mark RoseNFno factor TF: 79-802023-03-01Mark RoseNFno factor TF: 78-792023-03-01Mark RoseNFno factor TF: 77-782021-05-05Ben DeloCERTProof certified good2021-05-05XebecerC-PRP518EB7669C49E04E Proof Certified Good Proof Power: 92021-05-05XebecerNF-PM1B1=13500000, B2=4050000002020-10-26bayanneNFno factor TF: 76-772020-05-18bayanneNFno factor TF: 75-762016-02-29srow7NFno factor TF: 74-752015-07-20James HeinrichNFno factor TF: 73-742013-12-11bayanneNFno factor TF: 72-732013-03-09LaurVNFno factor TF: 71-722013-01-29LaurVNFno factor TF: 70-712012-03-28LaurVNFno factor TF: 69-702012-03-28LaurVNFno factor TF: 67-692010-06-22Grant McCrackenNFno factor TF: 66-67