Factor Info

ID 28026
Size 640 digits / 2124 bits
Status composite
Value 2331123712018754140997158331294903104588272007000103157124089714686153734433941386239643127494443191821566965640244539281442010955211021359653367041216094886690242183655661670196316459039979464669975085724061614216002314881669243827831646322311745016524342231855823644802832804606780116873617634924071240344890917228178423833488883672778450781702332455300361707999178269065779165948637998597503213496529182902513248141957018080864880842409547609825462602916939063592501178287875843473198540510192492131029658341973084774932845100232252336350652319401493435980729666744021932629529891948979862261028811223607149414570662793359439226132991517

Factorizations

Primary (ID: 19538) 525786373041914526306757 (proven prime)
(ID: 28027) 4433594766886288467021572703244422163217810919104563343580590616773629464803713773869779481500992367862213799909345118686204232828746300788245941892403534904748557681449533438210173931928500564297807303279416582858842650763254255173471966301890129473636823569828037825132930194534583462196937749114700728134114809916163205481242372234206036440165707893163194588778116299808168325426524720009779315880391072776514331668266327672736207708227828990904650134021765916451784164164195372071672444184662472899764654721542388778137138402544214402446295833785954981759480113307456306659033035593336829773616008769778674370681 (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.