To determine if 7639 is a prime number or a composite number, we simply look at the factors for 7639.
If the factors of 7639 are only 7639 and 1, then we know that 7639 is a prime number. Otherwise, 7639 is a composite number.
To explain better, if 7639 is only divisible by 1 and 7639, then it is a prime number, and if 7639 is divisible by more than 7639 and 1, then it is a composite number.
The factors of 7639 are as follows:
1, 7639
Therefore, since 7639 is divisible by only one and itself, the answer to the
question "Is 7639 prime or composite?" is highlighted in blue below.
prime
Is 7640 prime or composite?
OK. Now you know that 7639 is a prime number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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