Smallest two digit prime number is
37
7
11
10
Number of prime numbers between 20 and 30 are
1
2
3
4
Numbers which are divisible by 1 and the number itself are called
Prime numbers
Composite numbers
Whole numbers
Natural numbers
The GCD of two prime numbers is
a prime number
a composite number
0
Which of the following are relatively prime numbers.
(5,15)
(7,21)
(5,20)
(19,25)
Relation between GCD and LCM is.
Product of two numbers = GCD × LCM
Product of two numbers = GCD + LCM
Product of two numbers = GCD - LCM
None of these
Which of the following is a divisor of any number.
the number itself
Both (1) and (2)
Numbers having more than two divisors are called
Co prime numbers
Even numbers
A prime number between 5 and 11 is
6
8
Which of the following are the divisors of 10.
1,2,5
2,5
1,2,5,10
2,10
