Is 5231 a prime number?

5 231 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 5 231 is about 72.326.

Thus, the square root of 5 231 is not an integer, and therefore 5 231 is not a square number.

Anyway, 5 231 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 5 231) is the result of the product of this number (5 231) by itself (i.e., 5 231 × 5 231); the square of 5 231 is sometimes called "raising 5 231 to the power 2", or "5 231 squared".

The square of 5 231 is 27 363 361 because 5 231 × 5 231 = 5 231² = 27 363 361.

As a consequence, 5 231 is the square root of 27 363 361.

5 231 is a number with 4 digits.

The multiples of 5 231 are all integers evenly divisible by 5 231, that is all numbers such that the remainder of the division by 5 231 is zero. There are infinitely many multiples of 5 231. The smallest multiples of 5 231 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 5 231 too, since 0 × 5 231 = 0
• 5 231: indeed, 5 231 is a multiple of itself, since 5 231 is evenly divisible by 5 231 (we have 5 231 / 5 231 = 1, so the remainder of this division is indeed zero)
• 10 462: indeed, 10 462 = 5 231 × 2
• 15 693: indeed, 15 693 = 5 231 × 3
• 20 924: indeed, 20 924 = 5 231 × 4
• 26 155: indeed, 26 155 = 5 231 × 5
• etc.

• Preceding numbers: …5 229, 5 230
• Following numbers: 5 232, 5 233…

Nearest numbers from 5 231

• Preceding prime number: 5 227
• Following prime number: 5 233

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• 5 231 est-il un nombre premier ?