Math-ENT

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

What makes a number a composite number?

• It only has 2 factors 1 and itself.
• It is an even number.
  It is an odd number.
• Is is an odd number.
• It has more than two factors.

What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Which of the following is abundant?

• 75

• 78

• 50

• 28

What is the sum of the first five prime numbers?

• 30

• 28

• 35

• 32

Which of the following statements is true about even numbers?

• Even numbers cannot be composite.

• Even numbers are divisible by 2.

• Even numbers are always greater than 0.

• All even numbers are prime.

Which of the following statements is true about odd numbers?

• Odd numbers are divisible by 2.

• Odd numbers can be prime.

• All odd numbers are composite.

• Odd numbers cannot be negative.

Which of the following is ALWAYS true?

• The set of odd numbers is closed under addition.

• Prime numbers are odd numbers.

• Odd numbers are deficient.

• Prime numbers are deficient.

What is the smallest prime number?

• 0

• 1

• 2

• 3

What is the greatest common divisor (GCD) of 126 and 150?

• 12

• 6

• 1

• 3