List of top Mathematics Questions on Prime and Composite Numbers asked in CBSE Class VI
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CBSE Class VI
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Mathematics
List of top Mathematics Questions on Prime and Composite Numbers asked in CBSE Class VI
The numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 and 3. Find such pairs of prime numbers upto 100.
CBSE Class VI
Mathematics
Prime and Composite Numbers
Write down separately the prime and composite numbers less than 20.
CBSE Class VI
Mathematics
Prime and Composite Numbers
Express the following as the sum of two odd primes.
44
36
24
18
CBSE Class VI
Mathematics
Prime and Composite Numbers
Find the least number which when divided by 6, 15 and 18 leave remainder 5 in each case.
CBSE Class VI
Mathematics
Prime and Composite Numbers
I am the smallest number, having four different prime factors. Can you find me?
CBSE Class VI
Mathematics
Prime and Composite Numbers
Fill in the blanks :
A number which has only two factors is called a _____.
A number which has more than two factors is called a _____.
1 is neither _____ nor _____.
The smallest prime number is _____.
The smallest composite number is ____.
The smallest even number is _____.
CBSE Class VI
Mathematics
Prime and Composite Numbers
Write five pairs of prime numbers less than 20 whose sum is divisible by 5.
CBSE Class VI
Mathematics
Prime and Composite Numbers
Express each of the following numbers as the sum of three odd primes:
21
31
53
61
CBSE Class VI
Mathematics
Prime and Composite Numbers
Write seven consecutive composite numbers less than 100 so that there is no prime number between them.
CBSE Class VI
Mathematics
Prime and Composite Numbers
Give three pairs of prime numbers whose difference is 2.
[Remark : Two prime numbers whose difference is 2 are called twin primes].
CBSE Class VI
Mathematics
Prime and Composite Numbers
What is the greatest prime number between 1 and 10?
CBSE Class VI
Mathematics
Prime and Composite Numbers
State whether the following statements are True or False:
The sum of three odd numbers is even.
The sum of two odd numbers and one even number is even.
The product of three odd numbers is odd.
If an even number is divided by 2, the quotient is always odd.
All prime numbers are odd.
Prime numbers do not have any factors.
Sum of two prime numbers is always even.
2 is the only even prime number.
All even numbers are composite numbers.
The product of two even numbers is always even.
CBSE Class VI
Mathematics
Prime and Composite Numbers
What is the sum of any two
Odd numbers?
Even numbers?
CBSE Class VI
Mathematics
Prime and Composite Numbers