Factor Info

ID 162148
Size 510 digits / 1694 bits
Status composite
Value 638887219287879832329022684203886056929598454950351413158987661466660270257112190262740000852681942633882272287938270688444376694401275861481974338433280402056039327564225448169144440278040408463963796487468878831878526832954761553899242325702773548883950411313376551518134819613455915416276780008388754376676581428902633472547330553887920041312040534443914936230914641930005817026328232919015610250947535703951082433449170772498701176097062858481884677022521191014071784352840830218652505335355227346011969829

Factorizations

Primary (ID: 160965) 5689708313548494885711602113 (proven prime)
(ID: 194417) 112288220077388406165719782934610286110360399040769274730815150077573725265787642097786856591960975143734097696884970274536994078450030115080545959320096060881600924805831316086932852987705671162886194530648179586760837415975411999890623009365784887752608277516749468886756508595099576462235848367014605486297338279221628188124832480416775465437042382636917148053947163055323982065985289730873918142557500104213604406800825311446658720792047699127362617906779442887791207247790917733 (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.