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 statusMnStatusDetails129488831Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1172000B2 = 2206689030 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-06Luke Durant145255FA6FD5F89C9177276913 HistoryDateUserTypeResult2024-09-06Luke DurantCERTPRP CertificationCERT proof power = 8Proof certified good2024-09-06Luke DurantC-PRP145255FA6FD5F89CPRP proof power = 8PRP: VerifiedProof certified good2024-08-20Jarod McClintockNFno factor from 2^68 to 2^692024-08-03Luke DurantNF-PM1B1=1172000, B2=22066890302023-04-09JurzalNFno factor from 2^76 to 2^772023-04-07linamentNFno factor from 2^75 to 2^762022-12-24SRBaseNFno factor from 2^74 to 2^752021-07-16SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732016-12-04William WallaceNFno factor from 2^71 to 2^722016-10-31proxy2222NFno factor from 2^70 to 2^712016-05-21La GüiraNFno factor from 2^69 to 2^702016-05-01DerekNFno factor from 2^68 to 2^692016-03-15proxy2222NFno factor from 2^67 to 2^682015-01-13vwflat4NFno factor from 2^66 to 2^672012-10-09RichardNFno factor from 2^65 to 2^662010-11-10Anu JärviNFno factor from 2^64 to 2^652010-06-04RichardNFno factor from 2^63 to 2^64