Is 42722 a prime number?

42 722 is an even number, because it is evenly divisible by 2: 42 722 / 2 = 21 361.

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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 42 722 is about 206.693.

Thus, the square root of 42 722 is not an integer, and therefore 42 722 is not a square number.

The square of a number (here 42 722) is the result of the product of this number (42 722) by itself (i.e., 42 722 × 42 722); the square of 42 722 is sometimes called "raising 42 722 to the power 2", or "42 722 squared".

The square of 42 722 is 1 825 169 284 because 42 722 × 42 722 = 42 722² = 1 825 169 284.

As a consequence, 42 722 is the square root of 1 825 169 284.

42 722 is a number with 5 digits.

The multiples of 42 722 are all integers evenly divisible by 42 722, that is all numbers such that the remainder of the division by 42 722 is zero. There are infinitely many multiples of 42 722. The smallest multiples of 42 722 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 722 too, since 0 × 42 722 = 0
• 42 722: indeed, 42 722 is a multiple of itself, since 42 722 is evenly divisible by 42 722 (we have 42 722 / 42 722 = 1, so the remainder of this division is indeed zero)
• 85 444: indeed, 85 444 = 42 722 × 2
• 128 166: indeed, 128 166 = 42 722 × 3
• 170 888: indeed, 170 888 = 42 722 × 4
• 213 610: indeed, 213 610 = 42 722 × 5
• etc.

• Preceding numbers: …42 720, 42 721
• Following numbers: 42 723, 42 724…

Nearest numbers from 42 722

• Preceding prime number: 42 719
• Following prime number: 42 727

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• 42 722 est-il un nombre premier ?