Factor Info

ID 128435
Size 753 digits / 2499 bits
Status composite
Value 128564166187081950067752473858987927476214139834872727289541725827448728041237664633501793164768602719005756292908328865431396809290825877383665370934451315982432436425929654933063884918751006493875461444251236025245825511540281221967438409836573406086731782978302045750378099366879705798677993534976103622704772829410676545538627460896902314158899271003248739025604609467711941353362558197202961840260509579423730477790784718336596163443207223678394328906423410238120425993328957253778288930861963709132221868118959065700648249792832431849563771942870908564761275381756196635623740127051246614070193038554137342420981562488992052738330324162375701054698490046974173910132801630884611374661510782447291740067338954725981012856012428380378976382478173997

Factorizations

Primary (ID: 115255) 6708253289570802652992089585337781 (proven prime)
(ID: 128437) 19165073326458659806311606822180163060856662798709608942121160396465625508659220322829049886031485782047850194967843686208518941549439371929639641244944105639843221185640579744706024913395018155752265287978666787544558073373116183504168706800234909847672587864118777910512500074341456922262058986000290631035816429965980870397482974127113360260207510276081505123615614173221250901078014669657332123025175994587416385499991620962657341825264049170635064935239627325988851299798712145965068853159196239029205909027103608128666563891942158664495267318510195581027254913291697564652429976752769525958084470419048106589739616945964137510646524940486131400253975671267471946432949734392184919560146135744827940105859767658137 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.