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 statusMnStatusDetails153376163No known factors, not tested for primality TFNo factors below 278TF target 277 P-1B1 = 1192000B2 = 613987920 HistoryDateUserTypeResult2025-07-26Yu ZhuNFno factor from 2^77 to 2^782025-03-01Simon JosefssonNF-PM1B1=1192000, B2=6139879202025-01-01StefanSkuNFno factor from 2^76 to 2^772024-08-07SRBaseNFno factor from 2^75 to 2^762024-07-29Wentao HuangNFno factor from 2^69 to 2^702024-07-29Wentao HuangNFno factor from 2^68 to 2^692023-02-14SRBaseNFno factor from 2^74 to 2^752022-03-19LordJuliusNFno factor from 2^61 to 2^632021-11-14SRBaseNFno factor from 2^73 to 2^742016-09-27nate.andersNFno factor from 2^72 to 2^732016-09-10TheGazManNFno factor from 2^71 to 2^722016-09-05Smok_bmv NFno factor from 2^70 to 2^712016-08-08YxinityNFno factor from 2^69 to 2^702016-08-08YxinityNFno factor from 2^68 to 2^692016-08-08YxinityNFno factor from 2^67 to 2^682015-04-03rubikvn2100NFno factor from 2^66 to 2^672013-01-26sasaki3NFno factor from 2^65 to 2^662011-01-19Charles A. MorrisNFno factor from 2^64 to 2^652010-06-24kiwiboyNFno factor from 2^63 to 2^64