To determine if 8580 is a prime number or a composite number, we simply look at the factors for 8580.
If the factors of 8580 are only 8580 and 1, then we know that 8580 is a prime number. Otherwise, 8580 is a composite number.
To explain better, if 8580 is only divisible by 1 and 8580, then it is a prime number, and if 8580 is divisible by more than 8580 and 1, then it is a composite number.
The factors of 8580 are as follows:
1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580
Therefore, since 8580 is divisible by more than one and itself, the answer to the
question "Is 8580 prime or composite?" is highlighted in blue below.
composite
Is 8581 prime or composite?
OK. Now you know that 8580 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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