Factor Info

ID 64719
Size 649 digits / 2154 bits
Status composite
Value 2107788087697734488712871353260335810305617008870562262463440195961509338413510864412711227770409200455096570846256562603486982151192389121523969054001207265046321874727200593960274712953279474231277011894916749022608884810889248773468726317340482290387856880115104173462299859328530213709767426731831062083103614235248072456031415634139840085726389189614395447230415671159843545090988252297208815748535137649100706578530491816234692374903771325121599387047156536411425888174303559082823470081577872456518645397025638504206520025667767281346867730124782236046090101921516033073443539888113136262268447382766362548736088276814515097846289747682098609

Factorizations

Primary (ID: 63347) 1109309383381084655697725873 (proven prime)
(ID: 64720) 1900090379902284843914682709133054140267865193007563314395028264416210972781581319044474614447295807468522292470855663592820450795679650548681015141532804556988162238228128582103714859331800256430245802648126041475872533606155587144622255995947822560283219655887628735838827374372212624230137536085633721137258398078358233214146929051544041463075760271104500138967199799173583768034659271153309307461174403393632594721380681810212407921518204984176983682792292033408373969717533574708106337888409230339104208743909336685360279711823212952142938576234705209679685211114178224314170748681935074421458222642022745827847877633 (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.