Is 72443 a prime number?

72 443 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 72 443 is about 269.152.

Thus, the square root of 72 443 is not an integer, and therefore 72 443 is not a square number.

The square of a number (here 72 443) is the result of the product of this number (72 443) by itself (i.e., 72 443 × 72 443); the square of 72 443 is sometimes called "raising 72 443 to the power 2", or "72 443 squared".

The square of 72 443 is 5 247 988 249 because 72 443 × 72 443 = 72 443² = 5 247 988 249.

As a consequence, 72 443 is the square root of 5 247 988 249.

72 443 is a number with 5 digits.

The multiples of 72 443 are all integers evenly divisible by 72 443, that is all numbers such that the remainder of the division by 72 443 is zero. There are infinitely many multiples of 72 443. The smallest multiples of 72 443 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 72 443 too, since 0 × 72 443 = 0
• 72 443: indeed, 72 443 is a multiple of itself, since 72 443 is evenly divisible by 72 443 (we have 72 443 / 72 443 = 1, so the remainder of this division is indeed zero)
• 144 886: indeed, 144 886 = 72 443 × 2
• 217 329: indeed, 217 329 = 72 443 × 3
• 289 772: indeed, 289 772 = 72 443 × 4
• 362 215: indeed, 362 215 = 72 443 × 5
• etc.

• Preceding numbers: …72 441, 72 442
• Following numbers: 72 444, 72 445…

Nearest numbers from 72 443

• Preceding prime number: 72 431
• Following prime number: 72 461

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• 72 443 est-il un nombre premier ?