Is 42831 a prime number?

42 831 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 42 831 is about 206.957.

Thus, the square root of 42 831 is not an integer, and therefore 42 831 is not a square number.

The square of a number (here 42 831) is the result of the product of this number (42 831) by itself (i.e., 42 831 × 42 831); the square of 42 831 is sometimes called "raising 42 831 to the power 2", or "42 831 squared".

The square of 42 831 is 1 834 494 561 because 42 831 × 42 831 = 42 831² = 1 834 494 561.

As a consequence, 42 831 is the square root of 1 834 494 561.

42 831 is a number with 5 digits.

The multiples of 42 831 are all integers evenly divisible by 42 831, that is all numbers such that the remainder of the division by 42 831 is zero. There are infinitely many multiples of 42 831. The smallest multiples of 42 831 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 831 too, since 0 × 42 831 = 0
• 42 831: indeed, 42 831 is a multiple of itself, since 42 831 is evenly divisible by 42 831 (we have 42 831 / 42 831 = 1, so the remainder of this division is indeed zero)
• 85 662: indeed, 85 662 = 42 831 × 2
• 128 493: indeed, 128 493 = 42 831 × 3
• 171 324: indeed, 171 324 = 42 831 × 4
• 214 155: indeed, 214 155 = 42 831 × 5
• etc.

• Preceding numbers: …42 829, 42 830
• Following numbers: 42 832, 42 833…

Nearest numbers from 42 831

• Preceding prime number: 42 829
• Following prime number: 42 839

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• 42 831 est-il un nombre premier ?