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The list of **all positive divisors** (that is, the list of all integers that **divide 22**) is as follows :

Accordingly:

**11980** is multiplo of **1**

**11980** is multiplo of **2**

**11980** is multiplo of **4**

**11980** is multiplo of **5**

**11980** is multiplo of **10**

**11980** is multiplo of **20**

**11980** is multiplo of **599**

**11980** is multiplo of **1198**

**11980** is multiplo of **2396**

**11980** is multiplo of **2995**

**11980** is multiplo of **5990**

**11980** has **11 positive divisors **

In addition we can say of the number **11980 that it is even**

11980 is an even number, as it is divisible by 2 : 11980/2 = 5990

The factors for 11980 are all the numbers between -11980 and 11980 , which divide 11980 without leaving any remainder. Since 11980 divided by -11980 is an integer, -11980 is a factor of 11980 .

Since 11980 divided by -11980 is a whole number, -11980 is a factor of 11980

Since 11980 divided by -5990 is a whole number, -5990 is a factor of 11980

Since 11980 divided by -2995 is a whole number, -2995 is a factor of 11980

Since 11980 divided by -2396 is a whole number, -2396 is a factor of 11980

Since 11980 divided by -1198 is a whole number, -1198 is a factor of 11980

Since 11980 divided by -599 is a whole number, -599 is a factor of 11980

Since 11980 divided by -20 is a whole number, -20 is a factor of 11980

Since 11980 divided by -10 is a whole number, -10 is a factor of 11980

Since 11980 divided by -5 is a whole number, -5 is a factor of 11980

Since 11980 divided by -4 is a whole number, -4 is a factor of 11980

Since 11980 divided by -2 is a whole number, -2 is a factor of 11980

Since 11980 divided by -1 is a whole number, -1 is a factor of 11980

Since 11980 divided by 1 is a whole number, 1 is a factor of 11980

Since 11980 divided by 2 is a whole number, 2 is a factor of 11980

Since 11980 divided by 4 is a whole number, 4 is a factor of 11980

Since 11980 divided by 5 is a whole number, 5 is a factor of 11980

Since 11980 divided by 10 is a whole number, 10 is a factor of 11980

Since 11980 divided by 20 is a whole number, 20 is a factor of 11980

Since 11980 divided by 599 is a whole number, 599 is a factor of 11980

Since 11980 divided by 1198 is a whole number, 1198 is a factor of 11980

Since 11980 divided by 2396 is a whole number, 2396 is a factor of 11980

Since 11980 divided by 2995 is a whole number, 2995 is a factor of 11980

Since 11980 divided by 5990 is a whole number, 5990 is a factor of 11980

Multiples of 11980 are all integers divisible by 11980 , i.e. the remainder of the full division by 11980 is zero. There are infinite multiples of 11980. The smallest multiples of 11980 are:

0 : in fact, 0 is divisible by any integer, so it is also a multiple of 11980 since 0 × 11980 = 0

11980 : in fact, 11980 is a multiple of itself, since 11980 is divisible by 11980 (it was 11980 / 11980 = 1, so the rest of this division is zero)

23960: in fact, 23960 = 11980 × 2

35940: in fact, 35940 = 11980 × 3

47920: in fact, 47920 = 11980 × 4

59900: in fact, 59900 = 11980 × 5

etc.

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

for 11980, the answer is:
**No, 11980 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 11980). 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 109.453 ). 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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