Is 42357 a prime number?

42 357 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 42 357 is about 205.808.

Thus, the square root of 42 357 is not an integer, and therefore 42 357 is not a square number.

The square of a number (here 42 357) is the result of the product of this number (42 357) by itself (i.e., 42 357 × 42 357); the square of 42 357 is sometimes called "raising 42 357 to the power 2", or "42 357 squared".

The square of 42 357 is 1 794 115 449 because 42 357 × 42 357 = 42 357² = 1 794 115 449.

As a consequence, 42 357 is the square root of 1 794 115 449.

42 357 is a number with 5 digits.

The multiples of 42 357 are all integers evenly divisible by 42 357, that is all numbers such that the remainder of the division by 42 357 is zero. There are infinitely many multiples of 42 357. The smallest multiples of 42 357 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 357 too, since 0 × 42 357 = 0
• 42 357: indeed, 42 357 is a multiple of itself, since 42 357 is evenly divisible by 42 357 (we have 42 357 / 42 357 = 1, so the remainder of this division is indeed zero)
• 84 714: indeed, 84 714 = 42 357 × 2
• 127 071: indeed, 127 071 = 42 357 × 3
• 169 428: indeed, 169 428 = 42 357 × 4
• 211 785: indeed, 211 785 = 42 357 × 5
• etc.

• Preceding numbers: …42 355, 42 356
• Following numbers: 42 358, 42 359…

Nearest numbers from 42 357

• Preceding prime number: 42 349
• Following prime number: 42 359

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• 42 357 est-il un nombre premier ?