Prime Factorization

A prime number

• has one factor
• has more than 2 factors
• has 100 factors
• has exactly 2 factors: 1 and the number

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

Tags

CCSS.4.OA.B.4

One is...

• prime

• composite

• not prime or composite

• the loneliest number

All of these are prime except

• 3
• 9
• 2
• 13

Tags

CCSS.4.OA.B.4

Which of the following is NOT prime?

• 29

• 23

• 17

• 39

All odd numbers are prime

• True

• False

All even numbers are composite

• True

• False

2 is the only even prime number

• True

• False

Tags

CCSS.4.OA.B.4

The correct way to write prime factorization is _______________________.

• greatest to least

• least to greatest

• alphabetical order

Tags

CCSS.4.OA.B.4

Only 1 answer below could be correct for the prime factorization of a number. Which answer could be correct. 

• 4⋅2⋅5
• 2⋅3²⋅7
• 15²⋅7
• 7²⋅4²

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4