Is 987990109 a prime number?

987 990 109 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 987 990 109 is about 31 432.310.

Thus, the square root of 987 990 109 is not an integer, and therefore 987 990 109 is not a square number.

Anyway, 987 990 109 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 987 990 109) is the result of the product of this number (987 990 109) by itself (i.e., 987 990 109 × 987 990 109); the square of 987 990 109 is sometimes called "raising 987 990 109 to the power 2", or "987 990 109 squared".

The square of 987 990 109 is 976 124 455 481 831 936 because 987 990 109 × 987 990 109 = 987 990 109² = 976 124 455 481 831 936.

As a consequence, 987 990 109 is the square root of 976 124 455 481 831 936.

987 990 109 is a number with 9 digits.

The multiples of 987 990 109 are all integers evenly divisible by 987 990 109, that is all numbers such that the remainder of the division by 987 990 109 is zero. There are infinitely many multiples of 987 990 109. The smallest multiples of 987 990 109 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 987 990 109 too, since 0 × 987 990 109 = 0
• 987 990 109: indeed, 987 990 109 is a multiple of itself, since 987 990 109 is evenly divisible by 987 990 109 (we have 987 990 109 / 987 990 109 = 1, so the remainder of this division is indeed zero)
• 1 975 980 218: indeed, 1 975 980 218 = 987 990 109 × 2
• 2 963 970 327: indeed, 2 963 970 327 = 987 990 109 × 3
• 3 951 960 436: indeed, 3 951 960 436 = 987 990 109 × 4
• 4 939 950 545: indeed, 4 939 950 545 = 987 990 109 × 5
• etc.

• Preceding numbers: …987 990 107, 987 990 108
• Following numbers: 987 990 110, 987 990 111…

Nearest numbers from 987 990 109

• Preceding prime number: 987 990 097
• Following prime number: 987 990 151

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• 987 990 109 est-il un nombre premier ?