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 statusMnStatusDetails140237717Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1181000B2 = 1401568740 PRPStatusDateUserResidueShiftTypeBaseVerified2025-04-22GdS31D4E1EAD134DBF3013 HistoryDateUserTypeResult2025-04-230xCERTPRP CertificationCERT proof power = 10Proof certified good2025-04-22GdSC-PRP31D4E1EAD134DBF3PRP proof power = 10PRP: VerifiedProof certified good2024-09-25Luke DurantNF-PM1B1=1181000, B2=14015687402024-08-27Ryan PropperNFno factor from 2^76 to 2^772023-10-31tscNFno factor from 2^75 to 2^762023-01-18SRBaseNFno factor from 2^74 to 2^752021-11-02SRBaseNFno factor from 2^73 to 2^742020-10-28SRBaseNFno factor from 2^72 to 2^732017-02-20guruNFno factor from 2^71 to 2^722017-02-18JoDuNFno factor from 2^70 to 2^712015-05-06Judge HaleNFno factor from 2^69 to 2^702015-05-06Judge HaleNFno factor from 2^68 to 2^692015-05-06Judge HaleNFno factor from 2^67 to 2^682015-02-14firereddNFno factor from 2^66 to 2^672012-11-27lastareasdelhogarNFno factor from 2^65 to 2^662011-01-29Kevin JagetNFno factor from 2^64 to 2^652010-06-14Charles A. MorrisNFno factor from 2^63 to 2^64