Is 1263 a prime number?

1 263 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 1 263 is about 35.539.

Thus, the square root of 1 263 is not an integer, and therefore 1 263 is not a square number.

The square of a number (here 1 263) is the result of the product of this number (1 263) by itself (i.e., 1 263 × 1 263); the square of 1 263 is sometimes called "raising 1 263 to the power 2", or "1 263 squared".

The square of 1 263 is 1 595 169 because 1 263 × 1 263 = 1 263² = 1 595 169.

As a consequence, 1 263 is the square root of 1 595 169.

1 263 is a number with 4 digits.

The multiples of 1 263 are all integers evenly divisible by 1 263, that is all numbers such that the remainder of the division by 1 263 is zero. There are infinitely many multiples of 1 263. The smallest multiples of 1 263 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 263 too, since 0 × 1 263 = 0
• 1 263: indeed, 1 263 is a multiple of itself, since 1 263 is evenly divisible by 1 263 (we have 1 263 / 1 263 = 1, so the remainder of this division is indeed zero)
• 2 526: indeed, 2 526 = 1 263 × 2
• 3 789: indeed, 3 789 = 1 263 × 3
• 5 052: indeed, 5 052 = 1 263 × 4
• 6 315: indeed, 6 315 = 1 263 × 5
• etc.

• Preceding numbers: …1 261, 1 262
• Following numbers: 1 264, 1 265…

Nearest numbers from 1 263

• Preceding prime number: 1 259
• Following prime number: 1 277

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• 1 263 est-il un nombre premier ?