Factor Info

ID 21549
Size 566 digits / 1878 bits
Status composite
Value 21047938382546569702281186507897768409145696767631258984731806887930452659328507566226957762733892596688782666807761125403389067000596674581281660209182787298116281083266686001699000888219133430650338794586689481397985700356577152072454333376028014925455005995324606258716170784346566490719749458715732559098401708665159464933493290003375990243891182294755192535025806987899601563951401077381952849019540321300855481976612306902846649537434987709980459291790413804762839987987604014246876944429734168524313472811976093660736988850455390302323739277082334380454935483

Factorizations

Primary (ID: 21550) 63998602029097150801 (proven prime)
(ID: 21551) 328881221076939512162913463311872057574741626618044680826223753796589288305717252463330950218896394258720375224237300655605760569820879732293274673096153953127343499409691584245045702413006504273360829912360561975268128742516812752290434913636916195348864715805190788679798447277869403584627293462283789196611652369432313188752659165710818017703709560351997497075925583091750009259216244113791602744255530024917839429733084566140979841052547345471288241818471213118571381177968903796190153212773740139213374012271358935460228230800577536566219083 (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.