The square root.
The square root
71 is equal to a prime number because it has only two factors which are itself and one.
The only number that equals 32 is 32, and it's not a factor of -12 .
{1,3,5,7}
It is: 9767 equals a prime number because it has only two factors which are itself and one.
137 is equal to a prime number because it has only two factors which are itself and one.
If a number has equal factors, it is a perfect square and the equal factors would be square roots.
if the factors are equal the the number must be a square so the factor is the square root.
Saying "positive" means "greater than zero". Saying "non-negative" is a shortcut to saying "greater than or equal to zero".
"First number squared equals the first number". This must be 1, but "they do not equal zero or one". No solution possible.
10, 8, 5, and 2 are factors of 400. When added, they equal 25.
to get the factors of a number you figure out what numbers multiplied together would equal the number youre trying to get factors for