Is 80139 a prime number?

80 139 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 80 139 is about 283.088.

Thus, the square root of 80 139 is not an integer, and therefore 80 139 is not a square number.

The square of a number (here 80 139) is the result of the product of this number (80 139) by itself (i.e., 80 139 × 80 139); the square of 80 139 is sometimes called "raising 80 139 to the power 2", or "80 139 squared".

The square of 80 139 is 6 422 259 321 because 80 139 × 80 139 = 80 139² = 6 422 259 321.

As a consequence, 80 139 is the square root of 6 422 259 321.

80 139 is a number with 5 digits.

The multiples of 80 139 are all integers evenly divisible by 80 139, that is all numbers such that the remainder of the division by 80 139 is zero. There are infinitely many multiples of 80 139. The smallest multiples of 80 139 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 139 too, since 0 × 80 139 = 0
• 80 139: indeed, 80 139 is a multiple of itself, since 80 139 is evenly divisible by 80 139 (we have 80 139 / 80 139 = 1, so the remainder of this division is indeed zero)
• 160 278: indeed, 160 278 = 80 139 × 2
• 240 417: indeed, 240 417 = 80 139 × 3
• 320 556: indeed, 320 556 = 80 139 × 4
• 400 695: indeed, 400 695 = 80 139 × 5
• etc.

• Preceding numbers: …80 137, 80 138
• Following numbers: 80 140, 80 141…

Nearest numbers from 80 139

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

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• 80 139 est-il un nombre premier ?