Is 80123 a prime number?

80 123 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 80 123 is about 283.060.

Thus, the square root of 80 123 is not an integer, and therefore 80 123 is not a square number.

The square of a number (here 80 123) is the result of the product of this number (80 123) by itself (i.e., 80 123 × 80 123); the square of 80 123 is sometimes called "raising 80 123 to the power 2", or "80 123 squared".

The square of 80 123 is 6 419 695 129 because 80 123 × 80 123 = 80 123² = 6 419 695 129.

As a consequence, 80 123 is the square root of 6 419 695 129.

80 123 is a number with 5 digits.

The multiples of 80 123 are all integers evenly divisible by 80 123, that is all numbers such that the remainder of the division by 80 123 is zero. There are infinitely many multiples of 80 123. The smallest multiples of 80 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 123 too, since 0 × 80 123 = 0
• 80 123: indeed, 80 123 is a multiple of itself, since 80 123 is evenly divisible by 80 123 (we have 80 123 / 80 123 = 1, so the remainder of this division is indeed zero)
• 160 246: indeed, 160 246 = 80 123 × 2
• 240 369: indeed, 240 369 = 80 123 × 3
• 320 492: indeed, 320 492 = 80 123 × 4
• 400 615: indeed, 400 615 = 80 123 × 5
• etc.

• Preceding numbers: …80 121, 80 122
• Following numbers: 80 124, 80 125…

Nearest numbers from 80 123

• Preceding prime number: 80 111
• Following prime number: 80 141

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• 80 123 est-il un nombre premier ?