Is 72423 a prime number?

72 423 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 72 423 is about 269.115.

Thus, the square root of 72 423 is not an integer, and therefore 72 423 is not a square number.

The square of a number (here 72 423) is the result of the product of this number (72 423) by itself (i.e., 72 423 × 72 423); the square of 72 423 is sometimes called "raising 72 423 to the power 2", or "72 423 squared".

The square of 72 423 is 5 245 090 929 because 72 423 × 72 423 = 72 423² = 5 245 090 929.

As a consequence, 72 423 is the square root of 5 245 090 929.

72 423 is a number with 5 digits.

The multiples of 72 423 are all integers evenly divisible by 72 423, that is all numbers such that the remainder of the division by 72 423 is zero. There are infinitely many multiples of 72 423. The smallest multiples of 72 423 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 72 423 too, since 0 × 72 423 = 0
• 72 423: indeed, 72 423 is a multiple of itself, since 72 423 is evenly divisible by 72 423 (we have 72 423 / 72 423 = 1, so the remainder of this division is indeed zero)
• 144 846: indeed, 144 846 = 72 423 × 2
• 217 269: indeed, 217 269 = 72 423 × 3
• 289 692: indeed, 289 692 = 72 423 × 4
• 362 115: indeed, 362 115 = 72 423 × 5
• etc.

• Preceding numbers: …72 421, 72 422
• Following numbers: 72 424, 72 425…

Nearest numbers from 72 423

• Preceding prime number: 72 421
• Following prime number: 72 431

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• 72 423 est-il un nombre premier ?