Is 27689 a prime number?

27 689 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 27 689 is about 166.400.

Thus, the square root of 27 689 is not an integer, and therefore 27 689 is not a square number.

Anyway, 27 689 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 27 689) is the result of the product of this number (27 689) by itself (i.e., 27 689 × 27 689); the square of 27 689 is sometimes called "raising 27 689 to the power 2", or "27 689 squared".

The square of 27 689 is 766 680 721 because 27 689 × 27 689 = 27 689² = 766 680 721.

As a consequence, 27 689 is the square root of 766 680 721.

27 689 is a number with 5 digits.

The multiples of 27 689 are all integers evenly divisible by 27 689, that is all numbers such that the remainder of the division by 27 689 is zero. There are infinitely many multiples of 27 689. The smallest multiples of 27 689 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 27 689 too, since 0 × 27 689 = 0
• 27 689: indeed, 27 689 is a multiple of itself, since 27 689 is evenly divisible by 27 689 (we have 27 689 / 27 689 = 1, so the remainder of this division is indeed zero)
• 55 378: indeed, 55 378 = 27 689 × 2
• 83 067: indeed, 83 067 = 27 689 × 3
• 110 756: indeed, 110 756 = 27 689 × 4
• 138 445: indeed, 138 445 = 27 689 × 5
• etc.

• Preceding numbers: …27 687, 27 688
• Following numbers: 27 690, 27 691…

Nearest numbers from 27 689

• Preceding prime number: 27 673
• Following prime number: 27 691

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• 27 689 est-il un nombre premier ?