Factor Info
| ID | 209863 |
| Size | 195 digits / 647 bits |
| Status | composite |
| Value | 521497599426794522846520274846272092070415768683949278335894846566335891353204650187967449581202144360885205562395451024973260120631906634427023969211215149517831742629370579451036003643551312437 |
Factorizations
| Primary | (ID: 209864) 21688316983448484976573 (proven prime) |
| (ID: 209865) 24045093025188503160140436762796071119257266195317334523352946835262931516071582485164878620372197307846088118576884621422245485404524479508540793932319216371058548094609369 (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.