Is 2789 a prime number?

2 789 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 2 789 is about 52.811.

Thus, the square root of 2 789 is not an integer, and therefore 2 789 is not a square number.

Anyway, 2 789 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 2 789) is the result of the product of this number (2 789) by itself (i.e., 2 789 × 2 789); the square of 2 789 is sometimes called "raising 2 789 to the power 2", or "2 789 squared".

The square of 2 789 is 7 778 521 because 2 789 × 2 789 = 2 789² = 7 778 521.

As a consequence, 2 789 is the square root of 7 778 521.

2 789 is a number with 4 digits.

The multiples of 2 789 are all integers evenly divisible by 2 789, that is all numbers such that the remainder of the division by 2 789 is zero. There are infinitely many multiples of 2 789. The smallest multiples of 2 789 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 2 789 too, since 0 × 2 789 = 0
• 2 789: indeed, 2 789 is a multiple of itself, since 2 789 is evenly divisible by 2 789 (we have 2 789 / 2 789 = 1, so the remainder of this division is indeed zero)
• 5 578: indeed, 5 578 = 2 789 × 2
• 8 367: indeed, 8 367 = 2 789 × 3
• 11 156: indeed, 11 156 = 2 789 × 4
• 13 945: indeed, 13 945 = 2 789 × 5
• etc.

• Preceding numbers: …2 787, 2 788
• Following numbers: 2 790, 2 791…

Nearest numbers from 2 789

• Preceding prime number: 2 777
• Following prime number: 2 791

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• 2 789 est-il un nombre premier ?