Is 7990 a prime number?

7 990 is an even number, because it is evenly divisible by 2: 7 990 / 2 = 3 995.

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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 7 990 is about 89.387.

Thus, the square root of 7 990 is not an integer, and therefore 7 990 is not a square number.

The square of a number (here 7 990) is the result of the product of this number (7 990) by itself (i.e., 7 990 × 7 990); the square of 7 990 is sometimes called "raising 7 990 to the power 2", or "7 990 squared".

The square of 7 990 is 63 840 100 because 7 990 × 7 990 = 7 990² = 63 840 100.

As a consequence, 7 990 is the square root of 63 840 100.

7 990 is a number with 4 digits.

The multiples of 7 990 are all integers evenly divisible by 7 990, that is all numbers such that the remainder of the division by 7 990 is zero. There are infinitely many multiples of 7 990. The smallest multiples of 7 990 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 7 990 too, since 0 × 7 990 = 0
• 7 990: indeed, 7 990 is a multiple of itself, since 7 990 is evenly divisible by 7 990 (we have 7 990 / 7 990 = 1, so the remainder of this division is indeed zero)
• 15 980: indeed, 15 980 = 7 990 × 2
• 23 970: indeed, 23 970 = 7 990 × 3
• 31 960: indeed, 31 960 = 7 990 × 4
• 39 950: indeed, 39 950 = 7 990 × 5
• etc.

• Preceding numbers: …7 988, 7 989
• Following numbers: 7 991, 7 992…

Nearest numbers from 7 990

• Preceding prime number: 7 963
• Following prime number: 7 993

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• 7 990 est-il un nombre premier ?