Number Properties Flashcards
0
Q
Odd +- Odd = ?
A
Even
1
Q
Odd +- Even = ?
A
Odd
2
Q
Even +- Even = ?
A
Even
3
Q
Odd x odd = ?
A
Odd
4
Q
Odd x even = ?
A
Even
5
Q
Even x even = ?
A
Even
6
Q
Sum of two primes results in an odd number when the prime number is what?
A
2, since all other prime numbers are odd and odd + odd = even.
7
Q
How to determine if a number is prime if it’s less than 100?
A
It is not divisible by 2 or 3 or 5 or 7.