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 statusMnStatusDetails144041449Composite: proven not-prime with PRP test TFNo factors below 278TF target 277 P-1B1 = 875000B2 = 92392020 PRPStatusDateUserResidueShiftTypeBaseVerified2024-12-01curtisc2A0BCBB2BAA8883C7119494313 HistoryDateUserTypeResult2024-12-01voidfCERTPRP CertificationCERT proof power = 8Proof certified good2024-12-01curtiscC-PRP2A0BCBB2BAA8883CPRP proof power = 8PRP: VerifiedProof certified good2024-11-07RichardNFno factor from 2^77 to 2^782024-11-04S36049NFno factor from 2^76 to 2^772024-10-09Ryan PropperNF-PM1B1=875000, B2=923920202024-08-07Jarod McClintockNFno factor from 2^68 to 2^692024-07-17SRBaseNFno factor from 2^75 to 2^762023-02-11SRBaseNFno factor from 2^74 to 2^752021-11-10SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732017-04-02Choi4KANGNFno factor from 2^71 to 2^722017-02-16Johan ViljoenNFno factor from 2^70 to 2^712017-02-07CuboxNFno factor from 2^69 to 2^702016-04-21DerekNFno factor from 2^68 to 2^692016-04-04dbaughNFno factor from 2^67 to 2^682015-02-28aurashiftNFno factor from 2^66 to 2^672012-12-17Charles A. MorrisNFno factor from 2^65 to 2^662010-12-25RichardNFno factor from 2^64 to 2^652010-06-18James HintzNFno factor from 2^63 to 2^64