1,2,4
The only proper factor of four is two.
No, but 4 is a factor of 36.
Economic factor, Technological factor,Political/professional factor, and Sociological factor are the four.
No.
54 is the largest factor of itself.
Yes.
Yes.
Yes.
30 has four factor pairs:30,115,210,36,5
Four of them.
polluation
no.6 is a factor of 36 but it is NOT a factor of 56