Sagot :
Which number has only 2 factors
a.21
b.23
c.25
d.27
Explanation:
Factors of 21 : 1,3,7,21,...
Factors of 23 : 1, 23,...
Factors of 25, 1,5,25,...
Factors of 27: 1, 3, 9,...
Which number has only 2 factors
a.21
c.25
d.27
Explanation:
Factors of 21 : 1,3,7,21,...
Factors of 23 : 1, 23,...
Factors of 25, 1,5,25,...
Factors of 27: 1, 3, 9,...