Factors and Prime Factorisation

Which of these is a prime number?

• 27

• 33

• 41

• 49

Tick all the factors of 25

• 1

• 5

• 50

• 25

Tags

CCSS.4.OA.B.4

"Product" means

• Add

• Subtract

• Multiply

• Divide

Tags

CCSS.6.NS.B.3

I know 36 has an odd number of factors because.....

• its digits add up to 9

• it is not a prime number

• it is a square number

• the force is strong in me

All prime numbers have how many factors?

• 0

• 1

• 2

• It can vary

Which of these is a valid prime factorisation of 18?

• 2, 3, 3

• 2, 3²

• 2 x 3³

• 2 x 3²

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

"Sum" means

• Add

• Subtract

• Multiply

• Divide

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

All prime numbers have how many prime factors?

• 0

• 1

• 2

• It can vary

"Difference" means

• Add

• Subtract

• Multiply

• Divide

Tags

CCSS.3.NBT.A.2

What is this character's name?

• Face Windu

• Mace Fondue

• Mace Windup

• Lace Winduc

• None of the above