Prime or Composite?
Is 2 prime or composite?
PRIME
What is the smallest prime number?
2
All even numbers are composite
FALSE [2 IS PRIME]
Which number is prime: 4 or 5?
5
List all prime numbers under 10.
2, 3, 5, 7
Is 9 prime or composite?
COMPOSITE
What is the only even prime number?
2
Prime numbers can be divided only by 1 and itself.
TRUE
Which number is prime: 8 or 11?
11
How many prime numbers are between 10 and 20?
(11, 13, 17, 19)
Is 13 prime or composite?
PRIME
How many factors does a prime number have?
2 (1 and itself)
25 IS A PRIME NUMBER
FALSE
Which number is prime: 14 or 17?
17
Which composite number comes right after 9?
10
Is 16 prime or composite?
COMPOSITE
How many factors does a composite number have?
MORE THAN 2
3, 5, 7 are all prime numbers.
TRUE
Which number is prime: 20 or 23?
23
Write one prime and one composite number between 20 and 30.
Prime: 23 or 29; Composite: 24, 25, 26, 27, 28
Is 19 prime or composite?
PRIME
Is 1 prime or composite?
NEITHER
Composite numbers have exactly 2 factors.
FALSE
Which number is prime: 27 or 29?
29
What are the first five composite numbers?
4,6,8,9,10