Is 42813 a prime number?

42 813 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 42 813 is about 206.913.

Thus, the square root of 42 813 is not an integer, and therefore 42 813 is not a square number.

The square of a number (here 42 813) is the result of the product of this number (42 813) by itself (i.e., 42 813 × 42 813); the square of 42 813 is sometimes called "raising 42 813 to the power 2", or "42 813 squared".

The square of 42 813 is 1 832 952 969 because 42 813 × 42 813 = 42 813² = 1 832 952 969.

As a consequence, 42 813 is the square root of 1 832 952 969.

42 813 is a number with 5 digits.

The multiples of 42 813 are all integers evenly divisible by 42 813, that is all numbers such that the remainder of the division by 42 813 is zero. There are infinitely many multiples of 42 813. The smallest multiples of 42 813 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 813 too, since 0 × 42 813 = 0
• 42 813: indeed, 42 813 is a multiple of itself, since 42 813 is evenly divisible by 42 813 (we have 42 813 / 42 813 = 1, so the remainder of this division is indeed zero)
• 85 626: indeed, 85 626 = 42 813 × 2
• 128 439: indeed, 128 439 = 42 813 × 3
• 171 252: indeed, 171 252 = 42 813 × 4
• 214 065: indeed, 214 065 = 42 813 × 5
• etc.

• Preceding numbers: …42 811, 42 812
• Following numbers: 42 814, 42 815…

Nearest numbers from 42 813

• Preceding prime number: 42 797
• Following prime number: 42 821

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• 42 813 est-il un nombre premier ?