Is 71123 a prime number?

71 123 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 71 123 is about 266.689.

Thus, the square root of 71 123 is not an integer, and therefore 71 123 is not a square number.

The square of a number (here 71 123) is the result of the product of this number (71 123) by itself (i.e., 71 123 × 71 123); the square of 71 123 is sometimes called "raising 71 123 to the power 2", or "71 123 squared".

The square of 71 123 is 5 058 481 129 because 71 123 × 71 123 = 71 123² = 5 058 481 129.

As a consequence, 71 123 is the square root of 5 058 481 129.

71 123 is a number with 5 digits.

The multiples of 71 123 are all integers evenly divisible by 71 123, that is all numbers such that the remainder of the division by 71 123 is zero. There are infinitely many multiples of 71 123. The smallest multiples of 71 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 71 123 too, since 0 × 71 123 = 0
• 71 123: indeed, 71 123 is a multiple of itself, since 71 123 is evenly divisible by 71 123 (we have 71 123 / 71 123 = 1, so the remainder of this division is indeed zero)
• 142 246: indeed, 142 246 = 71 123 × 2
• 213 369: indeed, 213 369 = 71 123 × 3
• 284 492: indeed, 284 492 = 71 123 × 4
• 355 615: indeed, 355 615 = 71 123 × 5
• etc.

• Preceding numbers: …71 121, 71 122
• Following numbers: 71 124, 71 125…

Nearest numbers from 71 123

• Preceding prime number: 71 119
• Following prime number: 71 129

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• 71 123 est-il un nombre premier ?