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 statusMnStatusDetails113331919Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 800000B2 = 252700140 PRPStatusDateUserResidueShiftTypeBaseVerified2023-07-14Ruslan BorisovC9AE842D849F7B3C6205477813 HistoryDateUserTypeResult2023-07-14LOBESCERTPRP CertificationCERT proof power = 10Proof certified good2023-07-14Ruslan BorisovC-PRPC9AE842D849F7B3CPRP proof power = 10PRP: VerifiedProof certified good2022-04-05George WoltmanNF-PM1B1=800000, B2=2527001402021-03-01ZenzomaNFno factor from 2^76 to 2^772021-01-20arpcarNFno factor from 2^75 to 2^762021-01-17arpcarNFno factor from 2^74 to 2^752020-08-26ZenzomaNFno factor from 2^73 to 2^742020-04-23SRBaseNFno factor from 2^72 to 2^732019-01-05Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-11-18kevshawNFno factor from 2^70 to 2^712015-02-27XebecerNFno factor from 2^69 to 2^702015-02-24Preben SNFno factor from 2^68 to 2^692015-02-10bunddogNFno factor from 2^67 to 2^682014-11-28RichardNFno factor from 2^66 to 2^672012-06-08KYOJI_KAMEINFno factor from 2^65 to 2^662010-09-28WPSNFno factor from 2^64 to 2^652010-06-221997rj7NFno factor from 2^63 to 2^64