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Why are all prime numbers besides 2 odd?
A prime number isn't divisible by anything by itself and 1. All even numbers are divisible by 2. Therefore, all prime numbers are odd.
Differentiate odd number from even number?
Even numbers are definitely divisible by 2, odd numbers aren't ----------------- even numbers are the numbers that can be divided by 2 while the odd numbers are the numbers that cannot be divided by 2.
Is a prime number always an odd number?
Except for 2 all other prime numbers are odd. Otherwise, they would be divisible by 2 (and thus not a prime number). This does NOT mean that all odd numbers are prime, but that all prime numbers (aside from 2) are odd.
Why are odd numbers not divisible by 3?
Many odd numbers are divisible by 3. 3 itself for example, as well as 9, 15, 21, 27, ... Being odd and being divisible by three are not related.
Is a odd number always divisible by 5?
NO. Odd numbers are not always divisible by 5. Examples: 3 , 7, 9, 11, 13, 17, ... are odd numbers and they are not divisible by 5.
