Is 42771 a prime number?

42 771 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 42 771 is about 206.812.

Thus, the square root of 42 771 is not an integer, and therefore 42 771 is not a square number.

The square of a number (here 42 771) is the result of the product of this number (42 771) by itself (i.e., 42 771 × 42 771); the square of 42 771 is sometimes called "raising 42 771 to the power 2", or "42 771 squared".

The square of 42 771 is 1 829 358 441 because 42 771 × 42 771 = 42 771² = 1 829 358 441.

As a consequence, 42 771 is the square root of 1 829 358 441.

42 771 is a number with 5 digits.

The multiples of 42 771 are all integers evenly divisible by 42 771, that is all numbers such that the remainder of the division by 42 771 is zero. There are infinitely many multiples of 42 771. The smallest multiples of 42 771 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 771 too, since 0 × 42 771 = 0
• 42 771: indeed, 42 771 is a multiple of itself, since 42 771 is evenly divisible by 42 771 (we have 42 771 / 42 771 = 1, so the remainder of this division is indeed zero)
• 85 542: indeed, 85 542 = 42 771 × 2
• 128 313: indeed, 128 313 = 42 771 × 3
• 171 084: indeed, 171 084 = 42 771 × 4
• 213 855: indeed, 213 855 = 42 771 × 5
• etc.

• Preceding numbers: …42 769, 42 770
• Following numbers: 42 772, 42 773…

Nearest numbers from 42 771

• Preceding prime number: 42 767
• Following prime number: 42 773

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• 42 771 est-il un nombre premier ?