A prime number is one that only 2 numbers can divide into it. For example 3 is prime because only 3 and 1 can divide evenly into 3.
Four is not prime. It has 3 factors.
1 2 4.
If a number has 3 or more numbers that will divide into it evenly, the number is a composite number. Four is not prime.
Hello there!
A factor is a number that a number is EVENLY divisible by.
The factors of 4 are 1, 2, and 4.
Hope this helps you!
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