7.2 Prime and Composite Numbers

Front

Talia’s locker combination consists of three prime numbers. The sum of these numbers is also a prime number. Options:

3 - - 8 - - 17

,

2 - - 3 - - 19

,

7 - - 13 - - 3

,

11 - - 2 - - 5

Back

7 - - 13 - - 3

Front

A certain number is a whole number and composite. What must be true about the number?

Back

It has more than two factors.

Front

The sum of three prime numbers is 12. What could the numbers be? Options: 3, 7, 2; 6, 6, 0; 3, 5, 7; 3, 4, 5

Back

3, 7, 2

Front

The number 2 is:
- prime
- composite
- neither prime nor composite
- both prime and composite

Back

prime

Front

A prime number is always greater than 1.

Back

True, because 1 is neither prime nor composite and 2 is the first prime number.

Front

Is the number 17 a prime number?

Back

True because the only factors of 17 are 1 and 17.

Front

Is every multiple of 5 a composite number?

Back

False, because 5 is prime.

Front

Can a number be both prime and composite?

Back

False

Front

Can more arrays be made with 8 tiles than with 9 tiles because 8 has more factors?

Back

No, they both have two arrays

Front

Whose jersey has a prime number? Parker: 55, Nick: 47, Marshall: 16, Leon: 9

Back

Nick