Is 4621 a prime number?

4 621 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 4 621 is about 67.978.

Thus, the square root of 4 621 is not an integer, and therefore 4 621 is not a square number.

Anyway, 4 621 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 4 621) is the result of the product of this number (4 621) by itself (i.e., 4 621 × 4 621); the square of 4 621 is sometimes called "raising 4 621 to the power 2", or "4 621 squared".

The square of 4 621 is 21 353 641 because 4 621 × 4 621 = 4 621² = 21 353 641.

As a consequence, 4 621 is the square root of 21 353 641.

4 621 is a number with 4 digits.

The multiples of 4 621 are all integers evenly divisible by 4 621, that is all numbers such that the remainder of the division by 4 621 is zero. There are infinitely many multiples of 4 621. The smallest multiples of 4 621 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 4 621 too, since 0 × 4 621 = 0
• 4 621: indeed, 4 621 is a multiple of itself, since 4 621 is evenly divisible by 4 621 (we have 4 621 / 4 621 = 1, so the remainder of this division is indeed zero)
• 9 242: indeed, 9 242 = 4 621 × 2
• 13 863: indeed, 13 863 = 4 621 × 3
• 18 484: indeed, 18 484 = 4 621 × 4
• 23 105: indeed, 23 105 = 4 621 × 5
• etc.

• Preceding numbers: …4 619, 4 620
• Following numbers: 4 622, 4 623…

Nearest numbers from 4 621

• Preceding prime number: 4 603
• Following prime number: 4 637

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• 4 621 est-il un nombre premier ?