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 statusMnStatusDetails128902913Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1124000B2 = 1501684800 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-30Luke Durant456ADE2E184573469175029513 HistoryDateUserTypeResult2024-08-30Luke DurantCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-30Luke DurantC-PRP456ADE2E18457346PRP proof power = 8PRP: VerifiedProof certified good2024-07-29Luke DurantNF-PM1B1=1124000, B2=15016848002023-02-06JurzalNFno factor from 2^76 to 2^772023-02-06JurzalNFno factor from 2^75 to 2^762022-12-24SRBaseNFno factor from 2^74 to 2^752019-05-24Niels_Mache_NextcloudNFno factor from 2^73 to 2^742015-11-05ANONYMOUSNFno factor from 2^72 to 2^732015-11-05ANONYMOUSNFno factor from 2^71 to 2^722015-11-05ANONYMOUSNFno factor from 2^70 to 2^712015-11-05ANONYMOUSNFno factor from 2^69 to 2^702015-11-03TommasoNFno factor from 2^68 to 2^692015-11-01saffaNFno factor from 2^67 to 2^682015-01-11Jan KuipersNFno factor from 2^66 to 2^672012-10-02OS1NFno factor from 2^65 to 2^662010-11-09Charles A. MorrisNFno factor from 2^64 to 2^652010-05-30Torchwood InstituteNFno factor from 2^63 to 2^64