Is 42943 a prime number?

42 943 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 42 943 is about 207.227.

Thus, the square root of 42 943 is not an integer, and therefore 42 943 is not a square number.

Anyway, 42 943 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 943) is the result of the product of this number (42 943) by itself (i.e., 42 943 × 42 943); the square of 42 943 is sometimes called "raising 42 943 to the power 2", or "42 943 squared".

The square of 42 943 is 1 844 101 249 because 42 943 × 42 943 = 42 943² = 1 844 101 249.

As a consequence, 42 943 is the square root of 1 844 101 249.

42 943 is a number with 5 digits.

The multiples of 42 943 are all integers evenly divisible by 42 943, that is all numbers such that the remainder of the division by 42 943 is zero. There are infinitely many multiples of 42 943. The smallest multiples of 42 943 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 943 too, since 0 × 42 943 = 0
• 42 943: indeed, 42 943 is a multiple of itself, since 42 943 is evenly divisible by 42 943 (we have 42 943 / 42 943 = 1, so the remainder of this division is indeed zero)
• 85 886: indeed, 85 886 = 42 943 × 2
• 128 829: indeed, 128 829 = 42 943 × 3
• 171 772: indeed, 171 772 = 42 943 × 4
• 214 715: indeed, 214 715 = 42 943 × 5
• etc.

• Preceding numbers: …42 941, 42 942
• Following numbers: 42 944, 42 945…

Nearest numbers from 42 943

• Preceding prime number: 42 937
• Following prime number: 42 953

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• 42 943 est-il un nombre premier ?