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 statusMnStatusDetails113172091Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 550000B2 = 21155000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-06-17Ruslan Borisov227D615A222712EC4740189213 HistoryDateUserTypeResult2023-06-18Remi LucetCERTPRP CertificationCERT proof power = 10Proof certified good2023-06-17Ruslan BorisovC-PRP227D615A222712ECPRP proof power = 10PRP: VerifiedProof certified good2022-04-15TheJudgerNFno factor from 2^76 to 2^772022-04-02Ryan PropperNF-PM1B1=550000, B2=211550002021-01-21arpcarNFno factor from 2^75 to 2^762021-01-17arpcarNFno factor from 2^74 to 2^752020-07-24La GüiraNFno 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 2^722015-05-07XebecerNFno factor from 2^70 to 2^712015-03-02driveByUpgradesNFno factor from 2^69 to 2^702015-02-24Thure DuehrsenNFno factor from 2^68 to 2^692015-02-10SMoffatNFno factor from 2^67 to 2^682014-11-17vwflat4NFno factor from 2^66 to 2^672012-06-07Piotrek2234NFno factor from 2^65 to 2^662010-09-28PretorianieNFno factor from 2^64 to 2^652010-06-221997rj7NFno factor from 2^63 to 2^64