Is 42872 a prime number?

42 872 is an even number, because it is evenly divisible by 2: 42 872 / 2 = 21 436.

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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 42 872 is about 207.056.

Thus, the square root of 42 872 is not an integer, and therefore 42 872 is not a square number.

The square of a number (here 42 872) is the result of the product of this number (42 872) by itself (i.e., 42 872 × 42 872); the square of 42 872 is sometimes called "raising 42 872 to the power 2", or "42 872 squared".

The square of 42 872 is 1 838 008 384 because 42 872 × 42 872 = 42 872² = 1 838 008 384.

As a consequence, 42 872 is the square root of 1 838 008 384.

42 872 is a number with 5 digits.

The multiples of 42 872 are all integers evenly divisible by 42 872, that is all numbers such that the remainder of the division by 42 872 is zero. There are infinitely many multiples of 42 872. The smallest multiples of 42 872 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 872 too, since 0 × 42 872 = 0
• 42 872: indeed, 42 872 is a multiple of itself, since 42 872 is evenly divisible by 42 872 (we have 42 872 / 42 872 = 1, so the remainder of this division is indeed zero)
• 85 744: indeed, 85 744 = 42 872 × 2
• 128 616: indeed, 128 616 = 42 872 × 3
• 171 488: indeed, 171 488 = 42 872 × 4
• 214 360: indeed, 214 360 = 42 872 × 5
• etc.

• Preceding numbers: …42 870, 42 871
• Following numbers: 42 873, 42 874…

Nearest numbers from 42 872

• Preceding prime number: 42 863
• Following prime number: 42 899

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• 42 872 est-il un nombre premier ?