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 statusMnStatusDetails117498079Composite: proven not-prime with PRP test TFNo factors below 279TF target 276 P-1B1 = 1009000B2 = 1240724940 PRPStatusDateUserResidueShiftTypeBaseVerified2023-12-19JamesShaoA8158ABBA338E04311529029713Verified2025-10-08ResolverA8158ABBA338E043013 HistoryDateUserTypeResult2025-10-08Manfred_Bruder_01-05-1988_DECERTPRP CertificationCERT proof power = 10Proof certified good2025-10-08ResolverC-PRPA8158ABBA338E043PRP proof power = 10PRP: VerifiedProof certified good2024-11-19ihnlNFno factor from 2^78 to 2^792024-10-05ihnlNFno factor from 2^77 to 2^782024-09-04tbusbyNF-PM1B1=1009000, B2=12407249402023-12-19JamesShaoC-PRPA8158ABBA338E043PRP: VerifiedPRP without proof (not generated)2023-08-11JamesShaoNF-PM1B1=585000, B2=103837502022-03-17AerowNFno factor from 2^76 to 2^772021-06-30TheJudgerNFno factor from 2^75 to 2^762021-02-04chuenkitNFno factor from 2^74 to 2^752020-01-10Niels_Mache_NextcloudNFno factor from 2^73 to 2^742020-01-10Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-06-11-Anonymous-NFno factor from 2^71 to 2^722015-06-06Thomas KerscherNFno factor from 2^70 to 2^712015-06-04Per JessenNFno factor from 2^69 to 2^702015-03-24vinculumNFno factor from 2^68 to 2^692015-03-09SMoffatNFno factor from 2^67 to 2^682014-12-09-Anonymous-NFno factor from 2^66 to 2^672012-07-11RichardNFno factor from 2^65 to 2^662010-10-13RichardNFno factor from 2^64 to 2^652010-05-11carlos56NFno factor from 2^63 to 2^64