factor I (fibrinogen), factor II (prothrombin), factor III (tissue thromboplastin), factor IV (calcium), factor V (proaccelerin), factor VI (no longer considered active in hemostasis), factor VII (factor-vii), factor VIII (antihemophilicfactor), factor IX (plasma thromboplastincomponent; Christmas factor), factor X (stuart-factor-stuart-prower-factor), factor XI (plasma thromboplastinantecedent), factor XII (factor-xii), factor XIII (fibrin stabilizing factor).
The factors of 13 are: 1, 13 The factors of 26 are: 1, 2, 13, 26
The common factors of 13 and 39 are: 1 and 13
The factors of 13 are 1 and 13. The factors of 2 are 1 and 2. Both 13 and 2 are prime numbers.
Since 13 is a factor of 39, all of its factors are common.
The factors of 91 are:1, 7, 13, 91The factors of 156 are:1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156The common factors are:1, 13