Factor Info

ID 103389
Size 644 digits / 2137 bits
Status composite
Value 15411248252609773600248659895448358967400382092323786195306340084499176140183325616172820957680538943254458281530101269636477235857093878910679509539470820597753700424732433183706093630446217970438838075706037883837041498968818652645966668128535053323166886693937238949410907612681147106711071358831132737373705709477442588249283743862804349190736269246859687456631318329171991787340828647347190092990236475340816314445626084929388123198614369101050362540025134353692557060654249879665313979833169317852377899856487620549383269727944466986352103322713313545744705827250353006444734473364814443963035669126160874039496098444052799229811470152161

Factorizations

Primary (ID: 41711) 396866520074714493901 (proven prime)
(ID: 103390) 38832321380267693937299063108227656594433041972851467164004794693931950067969426524339928457994581479004189592324379458331001845164496511096267300702092427790536432024142817660003101283612840831076557448552940825250405804966952872046219147595225163941906758387877922611182021530602878682389212107543667410535005610052096227341237088965963622382139430118220765797356494606886593933677904682639262906532720185939448505397516458726631347392408795456025928662934652670897673275419937941688455688514840459887437964200758485816817814462680896802411001730406400506807569382101356281867990151649376865779709097651805708008415644261 (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.