Is 71231 a prime number?

71 231 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 71 231 is about 266.891.

Thus, the square root of 71 231 is not an integer, and therefore 71 231 is not a square number.

The square of a number (here 71 231) is the result of the product of this number (71 231) by itself (i.e., 71 231 × 71 231); the square of 71 231 is sometimes called "raising 71 231 to the power 2", or "71 231 squared".

The square of 71 231 is 5 073 855 361 because 71 231 × 71 231 = 71 231² = 5 073 855 361.

As a consequence, 71 231 is the square root of 5 073 855 361.

71 231 is a number with 5 digits.

The multiples of 71 231 are all integers evenly divisible by 71 231, that is all numbers such that the remainder of the division by 71 231 is zero. There are infinitely many multiples of 71 231. The smallest multiples of 71 231 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 71 231 too, since 0 × 71 231 = 0
• 71 231: indeed, 71 231 is a multiple of itself, since 71 231 is evenly divisible by 71 231 (we have 71 231 / 71 231 = 1, so the remainder of this division is indeed zero)
• 142 462: indeed, 142 462 = 71 231 × 2
• 213 693: indeed, 213 693 = 71 231 × 3
• 284 924: indeed, 284 924 = 71 231 × 4
• 356 155: indeed, 356 155 = 71 231 × 5
• etc.

• Preceding numbers: …71 229, 71 230
• Following numbers: 71 232, 71 233…

Nearest numbers from 71 231

• Preceding prime number: 71 209
• Following prime number: 71 233

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• 71 231 est-il un nombre premier ?