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Prime numbers,Twin prime and Composite numbers
about the number 1?
It is a composite number
It is both a prime and composite number
It is a prime number
It is neither prime nor a composite number
Which are the two prime numbers whose difference is 2?
13 and 15
7 and 9
3 and 5
21 and 23
Which statement is NOT correct?
'1' is a factor of every number.
Every number is a multiple of '1' and itself.
The prime numbers have only two factors.
Not every number is a multiple of each of its factors.
Which option shows 7 consecutive Composite numbers less than
If the sum of the digits of a number is divisible by
, what is true about that number?
It will be divisible by 2.
It will be divisible by 4.
It will be divisible by 9.
It will be divisible by 6.
Which of these is a
The sum of any two
numbers is ________.
Both, odd and even
Every prime number except ____, is odd.
Which option shows a pair of
that is greater than 130 and less than 140?
131 and 133
137 and 139
133 and 135
130 and 140
Which one of the following numbers are
6 and 15
9 and 21
18 and 27
6 and 35
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