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 statusMnStatusDetails140540633Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1181000B2 = 1263916170 PRPStatusDateUserResidueShiftTypeBaseVerified2025-03-11curtisc96798FD92A85A0959768441913 HistoryDateUserTypeResult2025-03-12stenleiCERTPRP CertificationCERT proof power = 8Proof certified good2025-03-11curtiscC-PRP96798FD92A85A095PRP proof power = 8PRP: VerifiedProof certified good2024-09-26Luke DurantNF-PM1B1=1181000, B2=12639161702024-08-24Luke DurantNFno factor from 2^76 to 2^772024-01-07tscNFno factor from 2^75 to 2^762023-01-19SRBaseNFno factor from 2^74 to 2^752021-11-02SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732017-08-08David HruskaNFno factor from 2^71 to 2^722016-03-05Ready4PrimeTimeNFno factor from 2^70 to 2^712015-05-17Judge HaleNFno factor from 2^69 to 2^702015-05-17Judge HaleNFno factor from 2^68 to 2^692015-05-17Judge HaleNFno factor from 2^67 to 2^682015-02-15vapaddyNFno factor from 2^66 to 2^672012-12-05RichardNFno factor from 2^65 to 2^662010-12-12RichardNFno factor from 2^64 to 2^652010-06-14Torchwood InstituteNFno factor from 2^63 to 2^64