2 is a factor of 4, and 4 is a factor of 4. One (1) is also a factor, but it's not even.
Chat with our AI personalities
No. 4 is not a factor of 6. Also, 6 is not a factor of 4.
Squares of even numbers like 4 and 16.
Natural (counting) numbers; integers; rational numbers; real numbers; complex numbers. And any other set that you choose to define, that happens to include the number 4 - for example, the set of square numbers, or even numbers, the set of the numbers {3, 4, 5, 7, 14, 48}, etc, the set of numbers containing the letter o in their English name.
set of all even natural numbers less than 10 = {2, 4, 6, 8}
There are square numbers (numbers which are a square of an integer), such as 4. It's factors, listed are 1, 2, and 4. All square numbers have an odd number of factors. Then there's 1, which has only 1 factor: 1. All other numbers have an even number of factors. Prime numbers will have only 2 factors (2 is even).