Is 2109 a prime number?

2 109 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 2 109 is about 45.924.

Thus, the square root of 2 109 is not an integer, and therefore 2 109 is not a square number.

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

The square of 2 109 is 4 447 881 because 2 109 × 2 109 = 2 109² = 4 447 881.

As a consequence, 2 109 is the square root of 4 447 881.

2 109 is a number with 4 digits.

The multiples of 2 109 are all integers evenly divisible by 2 109, that is all numbers such that the remainder of the division by 2 109 is zero. There are infinitely many multiples of 2 109. The smallest multiples of 2 109 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 2 109 too, since 0 × 2 109 = 0
• 2 109: indeed, 2 109 is a multiple of itself, since 2 109 is evenly divisible by 2 109 (we have 2 109 / 2 109 = 1, so the remainder of this division is indeed zero)
• 4 218: indeed, 4 218 = 2 109 × 2
• 6 327: indeed, 6 327 = 2 109 × 3
• 8 436: indeed, 8 436 = 2 109 × 4
• 10 545: indeed, 10 545 = 2 109 × 5
• etc.

• Preceding numbers: …2 107, 2 108
• Following numbers: 2 110, 2 111…

Nearest numbers from 2 109

• Preceding prime number: 2 099
• Following prime number: 2 111

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• 2 109 est-il un nombre premier ?