Is 7321 a prime number?

7 321 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 7 321 is about 85.563.

Thus, the square root of 7 321 is not an integer, and therefore 7 321 is not a square number.

Anyway, 7 321 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 7 321) is the result of the product of this number (7 321) by itself (i.e., 7 321 × 7 321); the square of 7 321 is sometimes called "raising 7 321 to the power 2", or "7 321 squared".

The square of 7 321 is 53 597 041 because 7 321 × 7 321 = 7 321² = 53 597 041.

As a consequence, 7 321 is the square root of 53 597 041.

7 321 is a number with 4 digits.

The multiples of 7 321 are all integers evenly divisible by 7 321, that is all numbers such that the remainder of the division by 7 321 is zero. There are infinitely many multiples of 7 321. The smallest multiples of 7 321 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 7 321 too, since 0 × 7 321 = 0
• 7 321: indeed, 7 321 is a multiple of itself, since 7 321 is evenly divisible by 7 321 (we have 7 321 / 7 321 = 1, so the remainder of this division is indeed zero)
• 14 642: indeed, 14 642 = 7 321 × 2
• 21 963: indeed, 21 963 = 7 321 × 3
• 29 284: indeed, 29 284 = 7 321 × 4
• 36 605: indeed, 36 605 = 7 321 × 5
• etc.

• Preceding numbers: …7 319, 7 320
• Following numbers: 7 322, 7 323…

Nearest numbers from 7 321

• Preceding prime number: 7 309
• Following prime number: 7 331

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• 7 321 est-il un nombre premier ?