Is 42511 a prime number?

42 511 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 42 511 is about 206.182.

Thus, the square root of 42 511 is not an integer, and therefore 42 511 is not a square number.

The square of a number (here 42 511) is the result of the product of this number (42 511) by itself (i.e., 42 511 × 42 511); the square of 42 511 is sometimes called "raising 42 511 to the power 2", or "42 511 squared".

The square of 42 511 is 1 807 185 121 because 42 511 × 42 511 = 42 511² = 1 807 185 121.

As a consequence, 42 511 is the square root of 1 807 185 121.

42 511 is a number with 5 digits.

The multiples of 42 511 are all integers evenly divisible by 42 511, that is all numbers such that the remainder of the division by 42 511 is zero. There are infinitely many multiples of 42 511. The smallest multiples of 42 511 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 511 too, since 0 × 42 511 = 0
• 42 511: indeed, 42 511 is a multiple of itself, since 42 511 is evenly divisible by 42 511 (we have 42 511 / 42 511 = 1, so the remainder of this division is indeed zero)
• 85 022: indeed, 85 022 = 42 511 × 2
• 127 533: indeed, 127 533 = 42 511 × 3
• 170 044: indeed, 170 044 = 42 511 × 4
• 212 555: indeed, 212 555 = 42 511 × 5
• etc.

• Preceding numbers: …42 509, 42 510
• Following numbers: 42 512, 42 513…

Nearest numbers from 42 511

• Preceding prime number: 42 509
• Following prime number: 42 533

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• 42 511 est-il un nombre premier ?