Is 100989 a prime number?

100 989 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 100 989 is about 317.788.

Thus, the square root of 100 989 is not an integer, and therefore 100 989 is not a square number.

The square of a number (here 100 989) is the result of the product of this number (100 989) by itself (i.e., 100 989 × 100 989); the square of 100 989 is sometimes called "raising 100 989 to the power 2", or "100 989 squared".

The square of 100 989 is 10 198 778 121 because 100 989 × 100 989 = 100 989² = 10 198 778 121.

As a consequence, 100 989 is the square root of 10 198 778 121.

100 989 is a number with 6 digits.

The multiples of 100 989 are all integers evenly divisible by 100 989, that is all numbers such that the remainder of the division by 100 989 is zero. There are infinitely many multiples of 100 989. The smallest multiples of 100 989 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 100 989 too, since 0 × 100 989 = 0
• 100 989: indeed, 100 989 is a multiple of itself, since 100 989 is evenly divisible by 100 989 (we have 100 989 / 100 989 = 1, so the remainder of this division is indeed zero)
• 201 978: indeed, 201 978 = 100 989 × 2
• 302 967: indeed, 302 967 = 100 989 × 3
• 403 956: indeed, 403 956 = 100 989 × 4
• 504 945: indeed, 504 945 = 100 989 × 5
• etc.

• Preceding numbers: …100 987, 100 988
• Following numbers: 100 990, 100 991…

Nearest numbers from 100 989

• Preceding prime number: 100 987
• Following prime number: 100 999

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• 100 989 est-il un nombre premier ?