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 statusMnStatusDetails113730049Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 519000B2 = 19179000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-03-25belezbar027AA367CB708B41264257213 HistoryDateUserTypeResult2023-03-25KelbCERTPRP CertificationCERT proof power = 8Proof certified good2023-03-25belezbarC-PRP027AA367CB708B41PRP proof power = 8PRP: VerifiedProof certified good2022-04-25Ryan PropperNF-PM1B1=519000, B2=191790002021-05-28La GüiraNFno factor from 2^76 to 2^772021-03-31arpcarNFno factor from 2^75 to 2^762021-03-13yoyorocks1NFno factor from 2^74 to 2^752020-07-29Daniil TsarkovNFno factor from 2^73 to 2^742020-04-22SRBaseNFno factor from 2^72 to 2^732015-05-05endless_mikeNFno factor from 2^71 to 2^722015-05-05endless_mikeNFno factor from 2^70 to 2^712015-05-03SMoffatNFno factor from 2^69 to 2^702015-03-01Hrudey4098NFno factor from 2^68 to 2^692015-02-23g0bNFno factor from 2^67 to 2^682014-11-14rubikvn2100NFno factor from 2^66 to 2^672012-06-12RichardNFno factor from 2^65 to 2^662010-09-30Torchwood InstituteNFno factor from 2^64 to 2^652010-06-271997rj7NFno factor from 2^63 to 2^64