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 statusMnStatusDetails129817687Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 875000B2 = 194944050 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-03aperson1BD77BADD546196D12571145013 HistoryDateUserTypeResult2024-09-03Richard KintCERTPRP CertificationCERT proof power = 10Proof certified good2024-09-03aperson1C-PRPBD77BADD546196D1PRP proof power = 10PRP: VerifiedProof certified good2024-08-11Jarod McClintockNFno factor from 2^68 to 2^692024-08-07David HruskaNF-PM1B1=875000, B2=1949440502024-05-06GregNFno factor from 2^71 to 2^722023-06-04TravisJankNFno factor from 2^76 to 2^772023-06-04TravisJankNFno factor from 2^75 to 2^762022-12-02Lars HNFno factor from 2^74 to 2^752020-12-22ViliamFNFno factor from 2^73 to 2^742020-10-30SRBaseNFno factor from 2^72 to 2^732016-11-18Josh FamestadNFno factor from 2^71 to 2^722016-10-15proxy2222NFno factor from 2^70 to 2^712016-09-11proxy2222NFno factor from 2^69 to 2^702016-05-03DerekNFno factor from 2^68 to 2^692016-03-02proxy2222NFno factor from 2^67 to 2^682015-01-15vwflat4NFno factor from 2^66 to 2^672012-10-13RichardNFno factor from 2^65 to 2^662010-11-11Thomas StorkNFno factor from 2^64 to 2^652010-05-31WPSNFno factor from 2^63 to 2^64