Is 131321 a prime number?

131 321 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 131 321 is about 362.382.

Thus, the square root of 131 321 is not an integer, and therefore 131 321 is not a square number.

Anyway, 131 321 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 131 321) is the result of the product of this number (131 321) by itself (i.e., 131 321 × 131 321); the square of 131 321 is sometimes called "raising 131 321 to the power 2", or "131 321 squared".

The square of 131 321 is 17 245 205 041 because 131 321 × 131 321 = 131 321² = 17 245 205 041.

As a consequence, 131 321 is the square root of 17 245 205 041.

131 321 is a number with 6 digits.

The multiples of 131 321 are all integers evenly divisible by 131 321, that is all numbers such that the remainder of the division by 131 321 is zero. There are infinitely many multiples of 131 321. The smallest multiples of 131 321 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 131 321 too, since 0 × 131 321 = 0
• 131 321: indeed, 131 321 is a multiple of itself, since 131 321 is evenly divisible by 131 321 (we have 131 321 / 131 321 = 1, so the remainder of this division is indeed zero)
• 262 642: indeed, 262 642 = 131 321 × 2
• 393 963: indeed, 393 963 = 131 321 × 3
• 525 284: indeed, 525 284 = 131 321 × 4
• 656 605: indeed, 656 605 = 131 321 × 5
• etc.

• Preceding numbers: …131 319, 131 320
• Following numbers: 131 322, 131 323…

Nearest numbers from 131 321

• Preceding prime number: 131 317
• Following prime number: 131 357

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• 131 321 est-il un nombre premier ?