Is 8243 a prime number?

8 243 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 8 243 is about 90.791.

Thus, the square root of 8 243 is not an integer, and therefore 8 243 is not a square number.

Anyway, 8 243 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 8 243) is the result of the product of this number (8 243) by itself (i.e., 8 243 × 8 243); the square of 8 243 is sometimes called "raising 8 243 to the power 2", or "8 243 squared".

The square of 8 243 is 67 947 049 because 8 243 × 8 243 = 8 243² = 67 947 049.

As a consequence, 8 243 is the square root of 67 947 049.

8 243 is a number with 4 digits.

The multiples of 8 243 are all integers evenly divisible by 8 243, that is all numbers such that the remainder of the division by 8 243 is zero. There are infinitely many multiples of 8 243. The smallest multiples of 8 243 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 8 243 too, since 0 × 8 243 = 0
• 8 243: indeed, 8 243 is a multiple of itself, since 8 243 is evenly divisible by 8 243 (we have 8 243 / 8 243 = 1, so the remainder of this division is indeed zero)
• 16 486: indeed, 16 486 = 8 243 × 2
• 24 729: indeed, 24 729 = 8 243 × 3
• 32 972: indeed, 32 972 = 8 243 × 4
• 41 215: indeed, 41 215 = 8 243 × 5
• etc.

• Preceding numbers: …8 241, 8 242
• Following numbers: 8 244, 8 245…

Nearest numbers from 8 243

• Preceding prime number: 8 237
• Following prime number: 8 263

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• 8 243 est-il un nombre premier ?