Which of the following are the divisors of 4?
2,4
1,2
1,2,4
2
15 is the multiple of
3
43
7
11
If the GCD of any ordered pair is 1, then they are said to be
Prime numbers
Relatively prime numbers
Composite numbers
None of these
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
GCD of 2,3 is
0
1
Numbers which are divisible by 1 and the number itself are called
Whole numbers
Natural numbers
Numbers having more than two divisors are called
Co prime numbers
Even numbers
Number of prime numbers between 20 and 30 are
4
Smallest two digit prime number is
37
10
