Is 123243 a prime number?

123 243 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 123 243 is about 351.060.

Thus, the square root of 123 243 is not an integer, and therefore 123 243 is not a square number.

The square of a number (here 123 243) is the result of the product of this number (123 243) by itself (i.e., 123 243 × 123 243); the square of 123 243 is sometimes called "raising 123 243 to the power 2", or "123 243 squared".

The square of 123 243 is 15 188 837 049 because 123 243 × 123 243 = 123 243² = 15 188 837 049.

As a consequence, 123 243 is the square root of 15 188 837 049.

123 243 is a number with 6 digits.

The multiples of 123 243 are all integers evenly divisible by 123 243, that is all numbers such that the remainder of the division by 123 243 is zero. There are infinitely many multiples of 123 243. The smallest multiples of 123 243 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 243 too, since 0 × 123 243 = 0
• 123 243: indeed, 123 243 is a multiple of itself, since 123 243 is evenly divisible by 123 243 (we have 123 243 / 123 243 = 1, so the remainder of this division is indeed zero)
• 246 486: indeed, 246 486 = 123 243 × 2
• 369 729: indeed, 369 729 = 123 243 × 3
• 492 972: indeed, 492 972 = 123 243 × 4
• 616 215: indeed, 616 215 = 123 243 × 5
• etc.

• Preceding numbers: …123 241, 123 242
• Following numbers: 123 244, 123 245…

Nearest numbers from 123 243

• Preceding prime number: 123 239
• Following prime number: 123 259

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• 123 243 est-il un nombre premier ?