Which of the following are relatively prime numbers.
(5,15)
(7,21)
(5,20)
(19,25)
Number of one digit prime numbers are
1
2
3
4
The GCD and LCM of the relatively prime numbers (3,5) are
1,3
1,5
1,15
1,8
A prime number between 5 and 11 is
6
7
8
10
The LCM of 5, 15 is
5
15
None of these
15 is the multiple of
43
11
The prime factor of 24 is.
12
The only even prime number is
0
Numbers which are divisible by 1 and the number itself are called
Prime numbers
Composite numbers
Whole numbers
Natural numbers
LCM of 4 and 6 is
36
24
60
