Factor Info

ID 143720
Size 421 digits / 1397 bits
Status composite
Value 1857745835632428914212491651246777341559077409114926597296906417556223846753398173332624753323655012454660130012864039458905802025966534309297924081005734159610517808505929121438421320367304369839173964041660452566983757935866746959034854622542326614462632736399783457869138173589678532175618671120779440981984820379042132387603423713863434939073292202535158017462204708372525295441994062979252933007133482477676151408631

Factorizations

Primary (ID: 143155) 121424174293928541805321819040594753174421778856178851 (proven prime)
(ID: 179532) 15299637378100911022191460159568566644949310541492647306377374710388554681985147960025499992840821363864159859525917283095802415634621818426244412342717712298302019911364342117694489511826461049713959383818677908455999772784365383380385728020108251350072994579774109890557780985362554344729486412566721009157806273228826283427081556992835701211631475325651926265626781 (proven prime)

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.