Is 130123 a prime number?

130 123 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 130 123 is about 360.726.

Thus, the square root of 130 123 is not an integer, and therefore 130 123 is not a square number.

The square of a number (here 130 123) is the result of the product of this number (130 123) by itself (i.e., 130 123 × 130 123); the square of 130 123 is sometimes called "raising 130 123 to the power 2", or "130 123 squared".

The square of 130 123 is 16 931 995 129 because 130 123 × 130 123 = 130 123² = 16 931 995 129.

As a consequence, 130 123 is the square root of 16 931 995 129.

130 123 is a number with 6 digits.

The multiples of 130 123 are all integers evenly divisible by 130 123, that is all numbers such that the remainder of the division by 130 123 is zero. There are infinitely many multiples of 130 123. The smallest multiples of 130 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 130 123 too, since 0 × 130 123 = 0
• 130 123: indeed, 130 123 is a multiple of itself, since 130 123 is evenly divisible by 130 123 (we have 130 123 / 130 123 = 1, so the remainder of this division is indeed zero)
• 260 246: indeed, 260 246 = 130 123 × 2
• 390 369: indeed, 390 369 = 130 123 × 3
• 520 492: indeed, 520 492 = 130 123 × 4
• 650 615: indeed, 650 615 = 130 123 × 5
• etc.

• Preceding numbers: …130 121, 130 122
• Following numbers: 130 124, 130 125…

Nearest numbers from 130 123

• Preceding prime number: 130 121
• Following prime number: 130 127

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• 130 123 est-il un nombre premier ?