To determine if 1810 is a prime number or a composite number, we simply look at the factors for 1810.
If the factors of 1810 are only 1810 and 1, then we know that 1810 is a prime number. Otherwise, 1810 is a composite number.
To explain better, if 1810 is only divisible by 1 and 1810, then it is a prime number, and if 1810 is divisible by more than 1810 and 1, then it is a composite number.
The factors of 1810 are as follows:
1, 2, 5, 10, 181, 362, 905, 1810
Therefore, since 1810 is divisible by more than one and itself, the answer to the
question "Is 1810 prime or composite?" is highlighted in blue below.
composite
Is 1811 prime or composite?
OK. Now you know that 1810 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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