Generalized Cullen and Woodall factors found in the period 2007 October 1 - December 30 Under Method, ECM is the elliptic curve method; MPQS is the multiple polynomial quadratic sieve; SIQS is the self-initializing version of MPQS; SNFS is the special number field sieve; GNFS is the general number field sieve; P-1 is Pollard's P-1 factoring algorithm, P+1 is William's P+1 algorithm and "alg" denotes an algebraic factorization. Index Number Size Factors Finder Method Date 10647 5,281+ C114 104635664723282407702312154707465458383. P76 M Vang GNFS 2007-10-01 10648 8,184- C117 51753946527763030332700685575609676137877193715699369. P64 M Vang GNFS 2007-10-02 10649 10,338+ C341 121448394296800754272177296393041. C308 M Vang ECM 2007-10-03 10650 7,318+ C259 881401100919402000283593267191. P229 M Vang ECM 2007-10-04 10651 12,644- C661 12955309884860503557122975705653. C630 M Vang ECM 2007-10-06 10652 12,551+ C582 174229785242858713743709242029987. C549 M Vang ECM 2007-10-06 10653 3,393- C181 935848256458579221998444569798180388500361. C139 P Leyland ECM 2007-10-07 10654 3,455- C166 63634301486251441603180082489297217011017. C125 P Leyland ECM 2007-10-07 10655 4,304- C157 1497696266076721303349109297461570435537. P118 P Leyland ECM 2007-10-07 10656 4,333- C171 6320152185765031845696369476263961480718131. C129 P Leyland ECM 2007-10-07 10657 4,676- C170 52198531610970120167591966069547185456077. P129 P Leyland ECM 2007-10-07 10658 4,301+ C159 601454955625168884527290998949208394274319. P117 P Leyland ECM 2007-10-07 10659 5,271- C186 1260199007480401737905321905105469059630847. P144 P Leyland ECM 2007-10-07 10660 5,247+ C109 295443709664001057819145657211856399322331557. P65 P Leyland GNFS 2007-10-07 10661 7,218- C179 6618318589249392753856267350910518642241. C139 P Leyland ECM 2007-10-07 10662 8,355+ C259 115113349951398757446430039872499. C227 M Vang ECM 2007-10-09 10663 8,332+ C255 749645756281814395043875240005931. P222 M Vang ECM 2007-10-14 10664 6,229+ C170 24443907213625211368780439089553917181357. C129 P Leyland ECM 2007-10-16 10665 7,202- C149 826317384417401692128779865378566503744283. P107 P Leyland ECM 2007-10-16 10666 8,193+ C162 87520585878989927331800245897277737266660083. P118 P Leyland ECM 2007-10-16 10667 9,227+ C175 5795969784603998217127937268359726129933. P135 P Leyland ECM 2007-10-16 10668 9,609- C564 9140288636353972008428168812511509. C530 M Vang ECM 2007-10-19 10669 4,444+ C193 1409810462506085484587554213170396783737. P154 P Leyland ECM 2007-10-19 10670 5,301+ C146 72582268248187998344224697281550178907. C108 P Leyland ECM 2007-10-19 10671 5,301+ C108 461468903381208499600228473224426681801109583. P63 P Leyland GNFS 2007-10-22 10672 10,907- C879 25301333591446881541168214847979481. C845 M Vang ECM 2007-10-23 10673 10,452- C448 394338489023887073044802301211. C418 M Vang ECM 2007-10-25 10674 6,787+ C601 1851678161378453266456951913159291. C568 M Vang ECM 2007-10-27 10675 7,896+ C758 244000598134261301073168871. C732 M Vang ECM 2007-10-29 10676 8,319- C287 226111348220042721087769267706659. C255 M Vang ECM 2007-11-05 10677 7,264- C165 36539516810513455877185875520636693039. P128 P Leyland ECM 2007-11-06 10678 8,223+ C165 97216983493471396600750029358041245155889. P124 P Leyland ECM 2007-11-06 10679 9,182+ C150 865809001412790021005267844309708254765789. P108 P Leyland ECM 2007-11-06 10680 9,191+ C130 168325416802395754552121917682280729623. C92 P Leyland ECM 2007-11-06 10681 9,191+ C92 35218876787355686512757758579126078890235223. P48 P Leyland MPQS 2007-11-06 10682 10,683+ C621 10600953265635753951285247639. C593 M Vang ECM 2007-11-09 10683 12,194- C147 2884087800514158650409122891597365369931. P108 P Leyland ECM 2007-11-10 10684 4,279- C140 52803683741869926524158030549303651301688383. C96 P Leyland ECM 2007-11-10 10685 6,272+ C150 5736886083697754314521859369557002891. P114 P Leyland ECM 2007-11-10 10686 6,288+ C156 770903083286945521995354068728498696059851. P114 P Leyland ECM 2007-11-10 10687 9,188+ C134 106435499931152266092338895765246582534297673. P90 P Leyland ECM 2007-11-10 10688 4,279- C96 18457622887630085167472658406031352880532737. P53 P Leyland MPQS 2007-11-11 10689 8,918- C812 97048475932745795744660734960463. C780 M Vang ECM 2007-11-11 10690 8,745- C651 22007283644890315721814290911937. P620 M Vang ECM 2007-11-20 10691 3,400+ C156 194909589259110295154225089105181818674261757. P111 P Leyland ECM 2007-12-15 10692 3,517+ C194 23796424053412470918841409442374217494033803. P151 P Leyland ECM 2007-12-15 10693 6,258- C159 60442996987723089826618016306531777. P124 P Leyland ECM 2007-12-15 10694 7,267+ C154 771255644408838583193674327759971895301. P115 P Leyland ECM 2007-12-15 10695 8,236+ C176 121803123527268642724365539238967570970663. C135 P Leyland ECM 2007-12-15 10696 9,175- C159 310897463664178236469570869854243383649. C120 P Leyland ECM 2007-12-15 10697 9,187- C138 8819334007815787169066082374451537450693497. P95 P Leyland ECM 2007-12-15 10698 11,182- C181 3824485561402980056002355527744631909653661849. C136 P Leyland ECM 2007-12-15 10699 12,185- C181 4730342579923726337581151025716772330637. C141 P Leyland ECM 2007-12-28 10700 3,398- C145 26024267842999587867647933336972056405333. P105 P Leyland ECM 2007-12-28 10701 6,326- C197 2066214564376153516478567156288220758177291. P154 P Leyland ECM 2007-12-28 10702 8,220- C167 1002930323035934152175913561349934573131. P128 P Leyland ECM 2007-12-28 10703 5,396+ C225 12896991485735734535356530161472282686407. C185 P Leyland P-1 2007-12-31