Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails133848349Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 2000000B2 = 1569298500 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-12Luke Durant6AE14C645A03CA872431651113 HistoryDateUserTypeResult2024-10-12Simon JosefssonCERTPRP CertificationCERT proof power = 8Proof certified good2024-10-12Luke DurantC-PRP6AE14C645A03CA87PRP proof power = 8PRP: VerifiedProof certified good2024-05-30Luke DurantNF-PM1B1=2000000, B2=15692985002023-12-06Johan ViljoenNFno factor from 2^76 to 2^772023-09-29rushynNFno factor from 2^75 to 2^762023-01-06SRBaseNFno factor from 2^74 to 2^752021-07-23SRBaseNFno factor from 2^73 to 2^742020-11-17SRBaseNFno factor from 2^72 to 2^732016-02-08dbaughNFno factor from 2^71 to 2^722016-01-25guruNFno factor from 2^71 to 2^722016-01-19guruNFno factor from 2^70 to 2^712016-01-19guruNFno factor from 2^69 to 2^702016-01-19guruNFno factor from 2^68 to 2^692016-01-19guruNFno factor from 2^67 to 2^682015-01-23Thomas StorkNFno factor from 2^66 to 2^672012-10-23Mr-PlonkNFno factor from 2^65 to 2^662010-11-20t2NFno factor from 2^64 to 2^652010-06-06Torchwood InstituteNFno factor from 2^63 to 2^64