Is 71321 a prime number?

71 321 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 71 321 is about 267.060.

Thus, the square root of 71 321 is not an integer, and therefore 71 321 is not a square number.

The square of a number (here 71 321) is the result of the product of this number (71 321) by itself (i.e., 71 321 × 71 321); the square of 71 321 is sometimes called "raising 71 321 to the power 2", or "71 321 squared".

The square of 71 321 is 5 086 685 041 because 71 321 × 71 321 = 71 321² = 5 086 685 041.

As a consequence, 71 321 is the square root of 5 086 685 041.

71 321 is a number with 5 digits.

The multiples of 71 321 are all integers evenly divisible by 71 321, that is all numbers such that the remainder of the division by 71 321 is zero. There are infinitely many multiples of 71 321. The smallest multiples of 71 321 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 71 321 too, since 0 × 71 321 = 0
• 71 321: indeed, 71 321 is a multiple of itself, since 71 321 is evenly divisible by 71 321 (we have 71 321 / 71 321 = 1, so the remainder of this division is indeed zero)
• 142 642: indeed, 142 642 = 71 321 × 2
• 213 963: indeed, 213 963 = 71 321 × 3
• 285 284: indeed, 285 284 = 71 321 × 4
• 356 605: indeed, 356 605 = 71 321 × 5
• etc.

• Preceding numbers: …71 319, 71 320
• Following numbers: 71 322, 71 323…

Nearest numbers from 71 321

• Preceding prime number: 71 317
• Following prime number: 71 327

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• 71 321 est-il un nombre premier ?