Factor Info

ID 43142
Size 280 digits / 928 bits
Status composite
Value 1493428995703721554837584240001886241239665878656132299934427590568001440287913761418810546836304363757993087884625986524557214774988827062045640403174625483016120789526160447547888048707103919486188511172652957470671250632021591449169953934341821353193673283949300306829572869113

Factorizations

Primary (ID: 10057) 16237061488986215862401 (proven prime)
(ID: 43143) 91976556023805876981100500193459518483983998835169516752704946469973367539145605044942225868240040879872672498695341762271939038896394156324077717688954431865150844209963104673032330633962670770804932530928796808023560751971905043871394221585848105597697913 (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.