Factor Info

ID 164206
Size 313 digits / 1038 bits
Status composite
Value 2153055763197274310354671982832256740152615720844179979326506775720296909614528583130080367434355799477797692194074717859060927200810053234963751654069751452262098387322874106037740766269002529335875279774508894699745324963673692508665670786993818728103255002790080232550841341614756325129372235572993948055901419

Factorizations

Primary (ID: 163564) 1210458653094709914409 (proven prime)
(ID: 164207) 1778710704155553483251217992500493999969690109040703086704282421517252944598402814532453441837539933426034028620534366055780230811257650330593551432617819158100169658625230711305400050697468888988820124982358582143796249944183887746653039747530678734711766689914234015611508040866055115707891 (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.