Even prime number is
0
1
2
4
When two numbers have only 1 as their common factor, they are called ________ numbers.
Co-prime
Prime
Composite
Even
Odd numbers leave ____________ as remainder when divisible by 2.
None of these
Largest prime number is
999
10000
1 Lakh
Can't defined
Of the following, twin prime numbers are
13, 17
19, 21
23, 25
17, 19
_________ is neither a prime nor a composite number
3
5
Which of the following is a composite number?
19
23
43
55
Number of prime numbers between 20 and 30 is
All numbers ending in 1, 3, 5, 7 or 9 are _________ numbers.
Odd
If two prime numbers have only one number between them, then they are called
Prime numbers
Composite numbers
Twin prime numbers
Even numbers
