Factor Info

ID 87448
Size 640 digits / 2124 bits
Status composite
Value 2138429585613119956207968677435461480003293476943815896246967617416712394893747475835841338098367761596876143816203565220300667132899453382434070228204641539479147206549538965405127827565683810920530133225561524807444128909600454824107766157324854380394402471899380131896147711164139287707982341903212312890237414299037305778959354666079371197382846218032714372560003698005299531268609115926713594631661145765586842237892115260521061415816187754455080990273063970600439903885484392394481031781359024894345923343937382404497889488708687075991292276634557372952705316128250217239895593694183742181883158816425142309524097695654503461178582553

Factorizations

Primary (ID: 3159) 6809649408891001685768937590233308625949604176033855796938978177320539702698633946720428389517879894953 (proven prime)
(ID: 87449) 314029321806359770393868994955155349714422583601627570729020011783972705105527911937073076075368541912594809383650190063751036709674462672584202053131346862130899940837452471573400476205565301174267546685585355603632859223350999861928863046749187417034289182336722982637236912380437818323335441998813672742365543902398002714498300295397355689358083145467234628833182606930795507094695344165073905266219789769270864352222018714263049002849298425752091334724351500028885470849993776417011811374670941465822405521938116018193554918139049201 (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.