LCM of 60 and 72 is
360
120
60
480
Primes which differ by 2 are called
relatively prime
composite
perfect
twin primes
Which of the following are twin prime numbers.
2,7
31,51
191, 193
193, 197
What these numbers 16 = 2 x 2 x 2 x 2 ; 15 = 3 x 5 denote?
Primes
Relatively primes
Twin primes
Composite
Numbers which are completely divisible by 2 are
even
odd
prime
Product of two numbers = _______ x GCD
1
0
LCM
None of these
LCM of 5 and 7
12
20
35
57
General form of an odd number is
2 n; n w
2 n+1; n w
n/2; n w
n+1, n w
LCM and GCD of two numbers are 144 and 4. If one number is 16 then the other is
26
36
46
16
Sum of the first seven odd numbers is
25
40
49
