Is 42723 a prime number?

42 723 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 42 723 is about 206.695.

Thus, the square root of 42 723 is not an integer, and therefore 42 723 is not a square number.

The square of a number (here 42 723) is the result of the product of this number (42 723) by itself (i.e., 42 723 × 42 723); the square of 42 723 is sometimes called "raising 42 723 to the power 2", or "42 723 squared".

The square of 42 723 is 1 825 254 729 because 42 723 × 42 723 = 42 723² = 1 825 254 729.

As a consequence, 42 723 is the square root of 1 825 254 729.

42 723 is a number with 5 digits.

The multiples of 42 723 are all integers evenly divisible by 42 723, that is all numbers such that the remainder of the division by 42 723 is zero. There are infinitely many multiples of 42 723. The smallest multiples of 42 723 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 723 too, since 0 × 42 723 = 0
• 42 723: indeed, 42 723 is a multiple of itself, since 42 723 is evenly divisible by 42 723 (we have 42 723 / 42 723 = 1, so the remainder of this division is indeed zero)
• 85 446: indeed, 85 446 = 42 723 × 2
• 128 169: indeed, 128 169 = 42 723 × 3
• 170 892: indeed, 170 892 = 42 723 × 4
• 213 615: indeed, 213 615 = 42 723 × 5
• etc.

• Preceding numbers: …42 721, 42 722
• Following numbers: 42 724, 42 725…

Nearest numbers from 42 723

• Preceding prime number: 42 719
• Following prime number: 42 727

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• 42 723 est-il un nombre premier ?