The prime numbers between 10 and 20 are
11, 15, 17, 19
11, 13, 17, 19
11, 16, 17, 19
11, 13, 19
Numbers that have more than two factors are called _________ numbers.
Even
Odd
Prime
Composite
Which of the following is coprime numbers
6, 9
8, 12
4, 9
10, 15
All numbers ending in 0, 2, 4, 6 or 8 are ____________ numbers
Numbers that have only two factors are called ________ numbers.
Number of prime numbers between 20 and 30 is
1
2
3
4
Even numbers are exactly divisible by
0
Which of the following is a prime number
21
29
33
45
When two numbers have only 1 as their common factor, they are called ________ numbers.
Coprime
28 is a _________ number
None of these
