Is 42172 a prime number?

42 172 is an even number, because it is evenly divisible by 2: 42 172 / 2 = 21 086.

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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 42 172 is about 205.358.

Thus, the square root of 42 172 is not an integer, and therefore 42 172 is not a square number.

The square of a number (here 42 172) is the result of the product of this number (42 172) by itself (i.e., 42 172 × 42 172); the square of 42 172 is sometimes called "raising 42 172 to the power 2", or "42 172 squared".

The square of 42 172 is 1 778 477 584 because 42 172 × 42 172 = 42 172² = 1 778 477 584.

As a consequence, 42 172 is the square root of 1 778 477 584.

42 172 is a number with 5 digits.

The multiples of 42 172 are all integers evenly divisible by 42 172, that is all numbers such that the remainder of the division by 42 172 is zero. There are infinitely many multiples of 42 172. The smallest multiples of 42 172 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 172 too, since 0 × 42 172 = 0
• 42 172: indeed, 42 172 is a multiple of itself, since 42 172 is evenly divisible by 42 172 (we have 42 172 / 42 172 = 1, so the remainder of this division is indeed zero)
• 84 344: indeed, 84 344 = 42 172 × 2
• 126 516: indeed, 126 516 = 42 172 × 3
• 168 688: indeed, 168 688 = 42 172 × 4
• 210 860: indeed, 210 860 = 42 172 × 5
• etc.

• Preceding numbers: …42 170, 42 171
• Following numbers: 42 173, 42 174…

Nearest numbers from 42 172

• Preceding prime number: 42 169
• Following prime number: 42 179

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• 42 172 est-il un nombre premier ?