What is the only even prime number?

(a)  

A prime number has exactly (a)   factors.

What is the greatest common factor (GCF) of 20 and 26?

(a)  

 $1^2\ =$  

(a)  

 $2^2\ =$   

(a)  

 $3^2\ =$  

(a)  

 $4^2\ =$  

(a)  

 $5^2\ =$  

(a)  

 $6^2\ =$  

(a)  

 $7^2\ =$  

(a)  

 $8^2\ =$  

(a)  

 $9^2\ =$  

(a)  

 $10^2\ =$  

(a)  

 $11^2\ =$  

(a)  

 $12^2\ =$  

(a)  

 $13^2\ =$  

(a)  

 $14^2\ =$  

(a)  

 $15^2\ =$  

(a)  

 $\sqrt{225}\ =$  

(a)  

 $\sqrt{196}\ =$  

(a)  

 $\sqrt{169}\ =$  

(a)  

 $\sqrt{144}\ =$  

(a)  

 $\sqrt{121}\ =$  

(a)  

 $\sqrt{100}\ =$  

(a)  

 $\sqrt{81}\ =$  

(a)  

 $\sqrt{64}\ =$  

(a)  

 $\sqrt{49}\ =$  

(a)  

 $\sqrt{36}\ =$  

(a)  

 $\sqrt{25}\ =$  

(a)  

 $\sqrt{16}\ =$  

(a)  

 $\sqrt{9}\ =$  

(a)  

 $\sqrt{4}\ =$  

(a)  

 $\sqrt{1}\ =$  

(a)  

 $1^3\ =$  

(a)  

 $2^3\ =$  

(a)  

 $3^3\ =$  

(a)  

What is the greatest common factor (GCF) of 20 and 50?

(a)  

What is the least common multiple (LCM) of 12 and 15?

(a)