Number of factors for 48.
4
6
8
10
What these numbers 16 = 2 x 2 x 2 x 2 ; 15 = 3 x 5 denote?
Primes
Relatively primes
Twin primes
Composite
1000 - 452 is ________ number.
Even
Odd
Prime
None of these
If the sum of factors of a number is twice the number then it is called
Relatively prime
Perfect number
Numbers which are completely divisible by 2 are
even
odd
prime
composite
Product of two numbers = _______ x GCD
1
0
LCM
LCM of 60 and 72 is
360
120
60
480
Even prime is
2
100
GCD of 45 and 63 is
77
9
11
3
If a ÷ b = c; where c is the natural number, then
a = b.c
b = a.c
a = b ÷ c
b = a ÷ c
