Question #490ed
1 Answer
Prime numbers have exactly
Explanation:
Count the number of factors that a number has.
A PRIME number has exactly TWO factors - 1 and itself.
The first prime numbers are:
1 is not a prime number becasue it only has ONE factor -
Numbers which have THREE or more factors are COMPOSITE.
Here is a list of the factors of the numbers up to 12.
The prime numbers are shown in red:
They all have exactly