MIDTERM IN NUMBER THEORY

What is the HCF of 16 and 32 ?

• 2

• 16

• 32

• 8

Which of the following is the LCM of 12 and 8 ?

• 72

• 4

• 48

• 96

Which of the following numbers are divisible by 3 and 4 ?

• 79

• 356

• 72

• 32

Find the LCM of 7 and 6 using the listing method 

Find the LCM of 4 and 12 using the listing method. 

A natural number that possesses exactly two different factors, itself and 1, is called a ________ number.

• Prime

• Composite

• Odd

• Even

A natural number that possesses more than two different factors is called a ________ number.

• Prime

• Composite

• Odd

• Even

Which of the following numbers is 237 divisible by?

• 9

• 7

• 3

• 2

Which of the following numbers is divisible by 833?

• 9

• 7

• 3

• 2

Find the GCF of 522 and 234.

• 2

• 12

• 18

• 144