Is 42493 a prime number?

42 493 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 42 493 is about 206.138.

Thus, the square root of 42 493 is not an integer, and therefore 42 493 is not a square number.

The square of a number (here 42 493) is the result of the product of this number (42 493) by itself (i.e., 42 493 × 42 493); the square of 42 493 is sometimes called "raising 42 493 to the power 2", or "42 493 squared".

The square of 42 493 is 1 805 655 049 because 42 493 × 42 493 = 42 493² = 1 805 655 049.

As a consequence, 42 493 is the square root of 1 805 655 049.

42 493 is a number with 5 digits.

The multiples of 42 493 are all integers evenly divisible by 42 493, that is all numbers such that the remainder of the division by 42 493 is zero. There are infinitely many multiples of 42 493. The smallest multiples of 42 493 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 493 too, since 0 × 42 493 = 0
• 42 493: indeed, 42 493 is a multiple of itself, since 42 493 is evenly divisible by 42 493 (we have 42 493 / 42 493 = 1, so the remainder of this division is indeed zero)
• 84 986: indeed, 84 986 = 42 493 × 2
• 127 479: indeed, 127 479 = 42 493 × 3
• 169 972: indeed, 169 972 = 42 493 × 4
• 212 465: indeed, 212 465 = 42 493 × 5
• etc.

• Preceding numbers: …42 491, 42 492
• Following numbers: 42 494, 42 495…

Nearest numbers from 42 493

• Preceding prime number: 42 491
• Following prime number: 42 499

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• 42 493 est-il un nombre premier ?