Factor Info

ID 21639
Size 567 digits / 1884 bits
Status composite
Value 951408398731025499392002482521215138020699346344081098944795865392790042445380948032619622460730494008506118005360775127193432683181509062380780382944052891631919385980124097704795568026262617312569144252406352989177890635379607827901027974048806946037037037254207829438830928589890657541080882784175057245837984735050701443306594626303654537359235227103772851350901682466255057823622759800154004240984667382969014488777311521614506951528912383195088107289311543174401191724442667752554913852172400362433641736816940006703603437813831379537831121881508707807990043031

Factorizations

Primary (ID: 16937) 2969057515549621758168075401 (proven prime)
(ID: 30247) 320441215351432501711248688069022216991124343592393171280232494140956473035624906611257901122692384198487658216806788535035187310569993757206743357992812139392680844299726994100268417750109594139320085184642023688238223229707156575826994176231365005736200241734638820636027528975309922064850166044858442133392805375024171803128127941789702884297343732441298707696843253598568281178416012777411833585840821552805493755035797010236254991493851397346171919359255435522462354361055460952545791269825007955890808222756206904687376353904673465631 (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.