Correct

公因子

/ gōng yīnzǐ / 
Strokes

Definition

common factor/common divisor

Example

As a Noun

common factor

1
Zuì
最
dà
大
gōng
公
yīnzǐ
因子

highest common factor

2
Gōng
公
yīnzǐ
因子
fāngchā
方差

common factor variance