To determine if 6435 is a prime number or a composite number, we simply look at the factors for 6435.
If the factors of 6435 are only 6435 and 1, then we know that 6435 is a prime number. Otherwise, 6435 is a composite number.
To explain better, if 6435 is only divisible by 1 and 6435, then it is a prime number, and if 6435 is divisible by more than 6435 and 1, then it is a composite number.
The factors of 6435 are as follows:
1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 6435
Therefore, since 6435 is divisible by more than one and itself, the answer to the
question "Is 6435 prime or composite?" is highlighted in blue below.
composite
Is 6436 prime or composite?
OK. Now you know that 6435 is a composite 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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