Is 42028 a prime number?

42 028 is an even number, because it is evenly divisible by 2: 42 028 / 2 = 21 014.

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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 42 028 is about 205.007.

Thus, the square root of 42 028 is not an integer, and therefore 42 028 is not a square number.

The square of a number (here 42 028) is the result of the product of this number (42 028) by itself (i.e., 42 028 × 42 028); the square of 42 028 is sometimes called "raising 42 028 to the power 2", or "42 028 squared".

The square of 42 028 is 1 766 352 784 because 42 028 × 42 028 = 42 028² = 1 766 352 784.

As a consequence, 42 028 is the square root of 1 766 352 784.

42 028 is a number with 5 digits.

The multiples of 42 028 are all integers evenly divisible by 42 028, that is all numbers such that the remainder of the division by 42 028 is zero. There are infinitely many multiples of 42 028. The smallest multiples of 42 028 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 028 too, since 0 × 42 028 = 0
• 42 028: indeed, 42 028 is a multiple of itself, since 42 028 is evenly divisible by 42 028 (we have 42 028 / 42 028 = 1, so the remainder of this division is indeed zero)
• 84 056: indeed, 84 056 = 42 028 × 2
• 126 084: indeed, 126 084 = 42 028 × 3
• 168 112: indeed, 168 112 = 42 028 × 4
• 210 140: indeed, 210 140 = 42 028 × 5
• etc.

• Preceding numbers: …42 026, 42 027
• Following numbers: 42 029, 42 030…

Nearest numbers from 42 028

• Preceding prime number: 42 023
• Following prime number: 42 043

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• 42 028 est-il un nombre premier ?