Is 42238 a prime number?

42 238 is an even number, because it is evenly divisible by 2: 42 238 / 2 = 21 119.

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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 42 238 is about 205.519.

Thus, the square root of 42 238 is not an integer, and therefore 42 238 is not a square number.

The square of a number (here 42 238) is the result of the product of this number (42 238) by itself (i.e., 42 238 × 42 238); the square of 42 238 is sometimes called "raising 42 238 to the power 2", or "42 238 squared".

The square of 42 238 is 1 784 048 644 because 42 238 × 42 238 = 42 238² = 1 784 048 644.

As a consequence, 42 238 is the square root of 1 784 048 644.

42 238 is a number with 5 digits.

The multiples of 42 238 are all integers evenly divisible by 42 238, that is all numbers such that the remainder of the division by 42 238 is zero. There are infinitely many multiples of 42 238. The smallest multiples of 42 238 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 238 too, since 0 × 42 238 = 0
• 42 238: indeed, 42 238 is a multiple of itself, since 42 238 is evenly divisible by 42 238 (we have 42 238 / 42 238 = 1, so the remainder of this division is indeed zero)
• 84 476: indeed, 84 476 = 42 238 × 2
• 126 714: indeed, 126 714 = 42 238 × 3
• 168 952: indeed, 168 952 = 42 238 × 4
• 211 190: indeed, 211 190 = 42 238 × 5
• etc.

• Preceding numbers: …42 236, 42 237
• Following numbers: 42 239, 42 240…

Nearest numbers from 42 238

• Preceding prime number: 42 227
• Following prime number: 42 239

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• 42 238 est-il un nombre premier ?