Is 42187 a prime number?

42 187 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 42 187 is about 205.395.

Thus, the square root of 42 187 is not an integer, and therefore 42 187 is not a square number.

Anyway, 42 187 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 187) is the result of the product of this number (42 187) by itself (i.e., 42 187 × 42 187); the square of 42 187 is sometimes called "raising 42 187 to the power 2", or "42 187 squared".

The square of 42 187 is 1 779 742 969 because 42 187 × 42 187 = 42 187² = 1 779 742 969.

As a consequence, 42 187 is the square root of 1 779 742 969.

42 187 is a number with 5 digits.

The multiples of 42 187 are all integers evenly divisible by 42 187, that is all numbers such that the remainder of the division by 42 187 is zero. There are infinitely many multiples of 42 187. The smallest multiples of 42 187 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 187 too, since 0 × 42 187 = 0
• 42 187: indeed, 42 187 is a multiple of itself, since 42 187 is evenly divisible by 42 187 (we have 42 187 / 42 187 = 1, so the remainder of this division is indeed zero)
• 84 374: indeed, 84 374 = 42 187 × 2
• 126 561: indeed, 126 561 = 42 187 × 3
• 168 748: indeed, 168 748 = 42 187 × 4
• 210 935: indeed, 210 935 = 42 187 × 5
• etc.

• Preceding numbers: …42 185, 42 186
• Following numbers: 42 188, 42 189…

Nearest numbers from 42 187

• Preceding prime number: 42 181
• Following prime number: 42 193

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• 42 187 est-il un nombre premier ?