Prime factorisation, HCF and LCM

Is 14 Prime?

• Yes
• No

Is 2 Prime?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 17 Prime

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 25 Prime or Composite?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Is 200 Prime or Composite?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Which of these is a prime number?

• 33
• 34
• 35
• 37

Tags

CCSS.4.OA.B.4

Tom thinks of the number 100. What is the next prime number after 100?

• 101
• 102
• 105
• 110

Tags

CCSS.4.OA.B.4

Which factors prove that 17 is prime

• 1, 17
• 1, 2, 10, 17
• 1, 6, 17
• 17

Tags

CCSS.4.OA.B.4

All prime numbers are ODD except for...

• 2
• 4
• 6
• 8

Tags

CCSS.4.OA.B.4

Which is the only prime number that is even?

• 14
• 22
• 17
• 2

Tags

CCSS.4.OA.B.4