Is 2443 a prime number?

2 443 is an odd number, because it is not evenly divisible by 2.

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• What is an even 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 2 443 is about 49.427.

Thus, the square root of 2 443 is not an integer, and therefore 2 443 is not a square number.

The square of a number (here 2 443) is the result of the product of this number (2 443) by itself (i.e., 2 443 × 2 443); the square of 2 443 is sometimes called "raising 2 443 to the power 2", or "2 443 squared".

The square of 2 443 is 5 968 249 because 2 443 × 2 443 = 2 443² = 5 968 249.

As a consequence, 2 443 is the square root of 5 968 249.

2 443 is a number with 4 digits.

The multiples of 2 443 are all integers evenly divisible by 2 443, that is all numbers such that the remainder of the division by 2 443 is zero. There are infinitely many multiples of 2 443. The smallest multiples of 2 443 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 2 443 too, since 0 × 2 443 = 0
• 2 443: indeed, 2 443 is a multiple of itself, since 2 443 is evenly divisible by 2 443 (we have 2 443 / 2 443 = 1, so the remainder of this division is indeed zero)
• 4 886: indeed, 4 886 = 2 443 × 2
• 7 329: indeed, 7 329 = 2 443 × 3
• 9 772: indeed, 9 772 = 2 443 × 4
• 12 215: indeed, 12 215 = 2 443 × 5
• etc.

• Preceding numbers: …2 441, 2 442
• Following numbers: 2 444, 2 445…

Nearest numbers from 2 443

• Preceding prime number: 2 441
• Following prime number: 2 447

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• 2 443 est-il un nombre premier ?