Is 80990 a prime number?

80 990 is an even number, because it is evenly divisible by 2: 80 990 / 2 = 40 495.

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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 80 990 is about 284.587.

Thus, the square root of 80 990 is not an integer, and therefore 80 990 is not a square number.

The square of a number (here 80 990) is the result of the product of this number (80 990) by itself (i.e., 80 990 × 80 990); the square of 80 990 is sometimes called "raising 80 990 to the power 2", or "80 990 squared".

The square of 80 990 is 6 559 380 100 because 80 990 × 80 990 = 80 990² = 6 559 380 100.

As a consequence, 80 990 is the square root of 6 559 380 100.

80 990 is a number with 5 digits.

The multiples of 80 990 are all integers evenly divisible by 80 990, that is all numbers such that the remainder of the division by 80 990 is zero. There are infinitely many multiples of 80 990. The smallest multiples of 80 990 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 990 too, since 0 × 80 990 = 0
• 80 990: indeed, 80 990 is a multiple of itself, since 80 990 is evenly divisible by 80 990 (we have 80 990 / 80 990 = 1, so the remainder of this division is indeed zero)
• 161 980: indeed, 161 980 = 80 990 × 2
• 242 970: indeed, 242 970 = 80 990 × 3
• 323 960: indeed, 323 960 = 80 990 × 4
• 404 950: indeed, 404 950 = 80 990 × 5
• etc.

• Preceding numbers: …80 988, 80 989
• Following numbers: 80 991, 80 992…

Nearest numbers from 80 990

• Preceding prime number: 80 989
• Following prime number: 81 001

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• 80 990 est-il un nombre premier ?