Factor Info

ID 4558
Size 157 digits / 519 bits
Status composite
Value 1581296723235826406675803329827010909382514712934390173287258063491644256918867132495977262605482810041825177481078598856359819593570876273760079370923355671

Factorizations

Primary (ID: 4559) 715722801240612811884999961 (proven prime)
(ID: 4560) 2209370332333765622925402840603123489600116868260178961257337937253665281642405749755591616248710572807803158866161502701238760111 (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.