Is 42131 a prime number?

42 131 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 42 131 is about 205.258.

Thus, the square root of 42 131 is not an integer, and therefore 42 131 is not a square number.

Anyway, 42 131 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 131) is the result of the product of this number (42 131) by itself (i.e., 42 131 × 42 131); the square of 42 131 is sometimes called "raising 42 131 to the power 2", or "42 131 squared".

The square of 42 131 is 1 775 021 161 because 42 131 × 42 131 = 42 131² = 1 775 021 161.

As a consequence, 42 131 is the square root of 1 775 021 161.

42 131 is a number with 5 digits.

The multiples of 42 131 are all integers evenly divisible by 42 131, that is all numbers such that the remainder of the division by 42 131 is zero. There are infinitely many multiples of 42 131. The smallest multiples of 42 131 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 131 too, since 0 × 42 131 = 0
• 42 131: indeed, 42 131 is a multiple of itself, since 42 131 is evenly divisible by 42 131 (we have 42 131 / 42 131 = 1, so the remainder of this division is indeed zero)
• 84 262: indeed, 84 262 = 42 131 × 2
• 126 393: indeed, 126 393 = 42 131 × 3
• 168 524: indeed, 168 524 = 42 131 × 4
• 210 655: indeed, 210 655 = 42 131 × 5
• etc.

• Preceding numbers: …42 129, 42 130
• Following numbers: 42 132, 42 133…

Nearest numbers from 42 131

• Preceding prime number: 42 101
• Following prime number: 42 139

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• 42 131 est-il un nombre premier ?