Which of the following is NOT a prime number?
37
61
47
51
Which best describes a prime number?
A number that cannot be grouped in twos.
A number than can be divided by 2 with 0 remaning
A number with more than two factors
A number with exactly two factors
Which best describes a composite number?
A number that cannot be grouped in twos
A number that can be divided by 2 with 0 remaining
What number is neither prime nor composite?
1
2
3
4
Which of the following is a prime number?
18
54
35