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In addition we can say of the number **2104 that it is even**

2104 is an even number, as it is divisible by 2 : 2104/2 = 1052

The factors for 2104 are all the numbers between -2104 and 2104 , which divide 2104 without leaving any remainder. Since 2104 divided by -2104 is an integer, -2104 is a factor of 2104 .

Since 2104 divided by -2104 is a whole number, -2104 is a factor of 2104

Since 2104 divided by -1052 is a whole number, -1052 is a factor of 2104

Since 2104 divided by -526 is a whole number, -526 is a factor of 2104

Since 2104 divided by -263 is a whole number, -263 is a factor of 2104

Since 2104 divided by -8 is a whole number, -8 is a factor of 2104

Since 2104 divided by -4 is a whole number, -4 is a factor of 2104

Since 2104 divided by -2 is a whole number, -2 is a factor of 2104

Since 2104 divided by -1 is a whole number, -1 is a factor of 2104

Since 2104 divided by 1 is a whole number, 1 is a factor of 2104

Since 2104 divided by 2 is a whole number, 2 is a factor of 2104

Since 2104 divided by 4 is a whole number, 4 is a factor of 2104

Since 2104 divided by 8 is a whole number, 8 is a factor of 2104

Since 2104 divided by 263 is a whole number, 263 is a factor of 2104

Since 2104 divided by 526 is a whole number, 526 is a factor of 2104

Since 2104 divided by 1052 is a whole number, 1052 is a factor of 2104

Multiples of 2104 are all integers divisible by 2104 , i.e. the remainder of the full division by 2104 is zero. There are infinite multiples of 2104. The smallest multiples of 2104 are:

0 : in fact, 0 is divisible by any integer, so it is also a multiple of 2104 since 0 × 2104 = 0

2104 : in fact, 2104 is a multiple of itself, since 2104 is divisible by 2104 (it was 2104 / 2104 = 1, so the rest of this division is zero)

4208: in fact, 4208 = 2104 × 2

6312: in fact, 6312 = 2104 × 3

8416: in fact, 8416 = 2104 × 4

10520: in fact, 10520 = 2104 × 5

etc.

It is possible to determine using mathematical techniques whether an integer is prime or not.

for 2104, the answer is:
**No, 2104 is not a prime number**.

To know the primality of an integer, we can use several algorithms. The most naive is to try all divisors below the number you want to know if it is prime (in our case 2104). We can already eliminate even numbers bigger than 2 (then 4 , 6 , 8 ...). Besides, we can stop at the square root of the number in question (here 45.869 ). Historically, the Eratosthenes screen (which dates back to Antiquity) uses this technique relatively effectively.

More modern techniques include the Atkin screen, probabilistic tests, or the cyclotomic test.

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