Is 47123 a prime number?

47 123 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 47 123 is about 217.078.

Thus, the square root of 47 123 is not an integer, and therefore 47 123 is not a square number.

Anyway, 47 123 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 47 123) is the result of the product of this number (47 123) by itself (i.e., 47 123 × 47 123); the square of 47 123 is sometimes called "raising 47 123 to the power 2", or "47 123 squared".

The square of 47 123 is 2 220 577 129 because 47 123 × 47 123 = 47 123² = 2 220 577 129.

As a consequence, 47 123 is the square root of 2 220 577 129.

47 123 is a number with 5 digits.

The multiples of 47 123 are all integers evenly divisible by 47 123, that is all numbers such that the remainder of the division by 47 123 is zero. There are infinitely many multiples of 47 123. The smallest multiples of 47 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 47 123 too, since 0 × 47 123 = 0
• 47 123: indeed, 47 123 is a multiple of itself, since 47 123 is evenly divisible by 47 123 (we have 47 123 / 47 123 = 1, so the remainder of this division is indeed zero)
• 94 246: indeed, 94 246 = 47 123 × 2
• 141 369: indeed, 141 369 = 47 123 × 3
• 188 492: indeed, 188 492 = 47 123 × 4
• 235 615: indeed, 235 615 = 47 123 × 5
• etc.

• Preceding numbers: …47 121, 47 122
• Following numbers: 47 124, 47 125…

Nearest numbers from 47 123

• Preceding prime number: 47 119
• Following prime number: 47 129

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• 47 123 est-il un nombre premier ?