Is 79999 a prime number?

79 999 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 79 999 is about 282.841.

Thus, the square root of 79 999 is not an integer, and therefore 79 999 is not a square number.

Anyway, 79 999 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 79 999) is the result of the product of this number (79 999) by itself (i.e., 79 999 × 79 999); the square of 79 999 is sometimes called "raising 79 999 to the power 2", or "79 999 squared".

The square of 79 999 is 6 399 840 001 because 79 999 × 79 999 = 79 999² = 6 399 840 001.

As a consequence, 79 999 is the square root of 6 399 840 001.

79 999 is a number with 5 digits.

The multiples of 79 999 are all integers evenly divisible by 79 999, that is all numbers such that the remainder of the division by 79 999 is zero. There are infinitely many multiples of 79 999. The smallest multiples of 79 999 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 79 999 too, since 0 × 79 999 = 0
• 79 999: indeed, 79 999 is a multiple of itself, since 79 999 is evenly divisible by 79 999 (we have 79 999 / 79 999 = 1, so the remainder of this division is indeed zero)
• 159 998: indeed, 159 998 = 79 999 × 2
• 239 997: indeed, 239 997 = 79 999 × 3
• 319 996: indeed, 319 996 = 79 999 × 4
• 399 995: indeed, 399 995 = 79 999 × 5
• etc.

• Preceding numbers: …79 997, 79 998
• Following numbers: 80 000, 80 001…

Nearest numbers from 79 999

• Preceding prime number: 79 997
• Following prime number: 80 021

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• 79 999 est-il un nombre premier ?