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 statusMnStatusDetails109504267Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 853000B2 = 38728000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-03-10ky0urakuA8AED2B0A4D2C3BF1933215013 HistoryDateUserTypeResult2022-03-10George WoltmanCERTPRP CertificationCERT proof power = 9Proof certified good2022-03-10Chalkey300CERTPRP CertificationCERT proof power = 9Certification bad2022-03-10ky0urakuC-PRPA8AED2B0A4D2C3BFPRP proof power = 9PRP: VerifiedCertification badProof certified good2022-02-05-Anonymous-NF-PM1B1=853000, B2=387280002021-05-05TheJudgerNFno factor from 2^75 to 2^762021-05-05TheJudgerNFno factor from 2^74 to 2^752020-04-01Hans LoeblichNFno factor from 2^73 to 2^742020-02-23mnd9NFno factor from 2^72 to 2^732019-01-23Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-08-28TDH-DXLNFno factor from 2^70 to 2^712015-08-17g0bNFno factor from 2^69 to 2^702014-11-04SMoffatNFno factor from 2^68 to 2^692013-10-16ANONYMOUSNFno factor from 2^67 to 2^682013-10-12Cow_tippingNFno factor from 2^66 to 2^672012-05-25omiXorpNFno factor from 2^65 to 2^662010-09-15Torchwood InstituteNFno factor from 2^64 to 2^652010-04-29CorranNFno factor from 2^63 to 2^64