Prime or Composite
Is 9 prime or composite?
Composite
Is 17 even or odd?
Odd
E - O = ?
O
What are the factors of 17?
1x17
True or False: 1 is a prime number.
False. 1 is neither prime nor composite.
Is 56 prime or composite?
Composite
Is 68 even or odd?
Even
E + E = ?
E
What are the factors of 20?
1x20, 2x10, 4x5
What is a prime number?
A number that has only 2 factors: 1 and itself.
Is 23 prime or composite?
Prime
Is 144 even or odd?
Even
O X O = ?
What are the factors of 12?
1x12, 2x6, 3x4
What is a composite number?
A number that has more than 2 factors.
Is 47 prime or composite?
Prime
Is 766 even or odd?
Even
Odd
What are the factors of 36?
1x36, 2x18, 3x12, 4x9, 6x6
Are prime numbers always odd?
No. 2 is even and prime. 9 is odd and composite.
Is 2,478 prime or composite?
Composite
Is 20,345 even or odd?
Odd
An odd number plus an odd number will always be _________?
Even
What are the factors of 48?
1x48, 2x24, 3x16, 4x12, 6x8
What are factors?
Factors are the numbers multiplied together to find a product. Also acceptable: A factor is a number that fits evenly into another number.