Is 1055 a prime number?

1 055 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 1 055 is about 32.481.

Thus, the square root of 1 055 is not an integer, and therefore 1 055 is not a square number.

The square of a number (here 1 055) is the result of the product of this number (1 055) by itself (i.e., 1 055 × 1 055); the square of 1 055 is sometimes called "raising 1 055 to the power 2", or "1 055 squared".

The square of 1 055 is 1 113 025 because 1 055 × 1 055 = 1 055² = 1 113 025.

As a consequence, 1 055 is the square root of 1 113 025.

1 055 is a number with 4 digits.

The multiples of 1 055 are all integers evenly divisible by 1 055, that is all numbers such that the remainder of the division by 1 055 is zero. There are infinitely many multiples of 1 055. The smallest multiples of 1 055 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 055 too, since 0 × 1 055 = 0
• 1 055: indeed, 1 055 is a multiple of itself, since 1 055 is evenly divisible by 1 055 (we have 1 055 / 1 055 = 1, so the remainder of this division is indeed zero)
• 2 110: indeed, 2 110 = 1 055 × 2
• 3 165: indeed, 3 165 = 1 055 × 3
• 4 220: indeed, 4 220 = 1 055 × 4
• 5 275: indeed, 5 275 = 1 055 × 5
• etc.

• Preceding numbers: …1 053, 1 054
• Following numbers: 1 056, 1 057…

Nearest numbers from 1 055

• Preceding prime number: 1 051
• Following prime number: 1 061

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• 1 055 est-il un nombre premier ?