Is 42426 a prime number?

42 426 is an even number, because it is evenly divisible by 2: 42 426 / 2 = 21 213.

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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 42 426 is about 205.976.

Thus, the square root of 42 426 is not an integer, and therefore 42 426 is not a square number.

The square of a number (here 42 426) is the result of the product of this number (42 426) by itself (i.e., 42 426 × 42 426); the square of 42 426 is sometimes called "raising 42 426 to the power 2", or "42 426 squared".

The square of 42 426 is 1 799 965 476 because 42 426 × 42 426 = 42 426² = 1 799 965 476.

As a consequence, 42 426 is the square root of 1 799 965 476.

42 426 is a number with 5 digits.

The multiples of 42 426 are all integers evenly divisible by 42 426, that is all numbers such that the remainder of the division by 42 426 is zero. There are infinitely many multiples of 42 426. The smallest multiples of 42 426 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 426 too, since 0 × 42 426 = 0
• 42 426: indeed, 42 426 is a multiple of itself, since 42 426 is evenly divisible by 42 426 (we have 42 426 / 42 426 = 1, so the remainder of this division is indeed zero)
• 84 852: indeed, 84 852 = 42 426 × 2
• 127 278: indeed, 127 278 = 42 426 × 3
• 169 704: indeed, 169 704 = 42 426 × 4
• 212 130: indeed, 212 130 = 42 426 × 5
• etc.

• Preceding numbers: …42 424, 42 425
• Following numbers: 42 427, 42 428…

Nearest numbers from 42 426

• Preceding prime number: 42 409
• Following prime number: 42 433

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• 42 426 est-il un nombre premier ?