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 statusMnStatusDetails111857071Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 511000B2 = 19254000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-01-05Ruslan BorisovAB3996940704765E2857681913 HistoryDateUserTypeResult2023-01-05Roger KohnCERTPRP CertificationCERT proof power = 10Proof certified good2023-01-05Ruslan BorisovC-PRPAB3996940704765EPRP proof power = 10PRP: VerifiedProof certified good2022-03-23Ryan PropperNF-PM1B1=511000, B2=192540002021-01-14arpcarNFno factor from 2^76 to 2^772020-12-07arpcarNFno factor from 2^75 to 2^762020-11-22Joe S.NFno factor from 2^74 to 2^752020-06-15chuenkitNFno factor from 2^73 to 2^742020-04-20SRBaseNFno factor from 2^72 to 2^732019-01-09Niels_Mache_NextcloudNFno factor from 2^71 to 2^722014-11-12RichD0NFno factor from 2^70 to 2^712014-11-09RichD0NFno factor from 2^69 to 2^702014-11-08RichD0NFno factor from 2^68 to 2^692013-11-16SMoffatNFno factor from 2^67 to 2^682013-10-12Cow_tippingNFno factor from 2^66 to 2^672012-06-03RichardNFno factor from 2^65 to 2^662010-09-23Torchwood InstituteNFno factor from 2^64 to 2^652010-05-18RichardNFno factor from 2^63 to 2^64