Factor Info

ID 42609
Size 261 digits / 867 bits
Status composite
Value 838166309205199786040356265800171462006767209449975708884191261553090961616035157695631402062430585344601856751295703866155709774604086283574454412993358152721634818365052397230941173783862782854840950249915161722809408613910509218190230815183289561251557515997

Factorizations

Primary (ID: 91) 216913841513988014390392583520681471857 (proven prime)
(ID: 46532) 3864051751400794653929635396194430131000829145149055970842298472109638861122174073134161688503313269177701476841634870544172126788042997500362454577863009789676492642733962231471380159169814832348281702071088203554826751021 (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.