Is 980 a prime number? What are the divisors of 980?

## Parity of 980

980 is an even number, because it is evenly divisible by 2: 980 / 2 = 490.

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## Is 980 a perfect square number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 980 is about 31.305.

Thus, the square root of 980 is not an integer, and therefore 980 is not a square number.

## What is the square number of 980?

The square of a number (here 980) is the result of the product of this number (980) by itself (i.e., 980 × 980); the square of 980 is sometimes called "raising 980 to the power 2", or "980 squared".

The square of 980 is 960 400 because 980 × 980 = 9802 = 960 400.

As a consequence, 980 is the square root of 960 400.

## Number of digits of 980

980 is a number with 3 digits.

## What are the multiples of 980?

The multiples of 980 are all integers evenly divisible by 980, that is all numbers such that the remainder of the division by 980 is zero. There are infinitely many multiples of 980. The smallest multiples of 980 are:

## How to determine whether an integer is a prime number?

To determine the primality of a number, several algorithms can be used. The most naive technique is to test all divisors strictly smaller to the number of which we want to determine the primality (here 980). First, we can eliminate all even numbers greater than 2 (and hence 4, 6, 8…). Then, we can stop this check when we reach the square root of the number of which we want to determine the primality (here the square root is about 31.305). Historically, the sieve of Eratosthenes (dating from the Greek mathematics) implements this technique in a relatively efficient manner.

More modern techniques include the sieve of Atkin, probabilistic algorithms, and the cyclotomic AKS test.

## Numbers near 980

• Preceding numbers: …978, 979
• Following numbers: 981, 982

### Nearest numbers from 980

• Preceding prime number: 977
• Following prime number: 983
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