Is 42402121 a prime number?

42 402 121 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 42 402 121 is about 6 511.691.

Thus, the square root of 42 402 121 is not an integer, and therefore 42 402 121 is not a square number.

Anyway, 42 402 121 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 402 121) is the result of the product of this number (42 402 121) by itself (i.e., 42 402 121 × 42 402 121); the square of 42 402 121 is sometimes called "raising 42 402 121 to the power 2", or "42 402 121 squared".

The square of 42 402 121 is 1 797 939 865 298 641 because 42 402 121 × 42 402 121 = 42 402 121² = 1 797 939 865 298 641.

As a consequence, 42 402 121 is the square root of 1 797 939 865 298 641.

42 402 121 is a number with 8 digits.

The multiples of 42 402 121 are all integers evenly divisible by 42 402 121, that is all numbers such that the remainder of the division by 42 402 121 is zero. There are infinitely many multiples of 42 402 121. The smallest multiples of 42 402 121 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 402 121 too, since 0 × 42 402 121 = 0
• 42 402 121: indeed, 42 402 121 is a multiple of itself, since 42 402 121 is evenly divisible by 42 402 121 (we have 42 402 121 / 42 402 121 = 1, so the remainder of this division is indeed zero)
• 84 804 242: indeed, 84 804 242 = 42 402 121 × 2
• 127 206 363: indeed, 127 206 363 = 42 402 121 × 3
• 169 608 484: indeed, 169 608 484 = 42 402 121 × 4
• 212 010 605: indeed, 212 010 605 = 42 402 121 × 5
• etc.

• Preceding numbers: …42 402 119, 42 402 120
• Following numbers: 42 402 122, 42 402 123…

Nearest numbers from 42 402 121

• Preceding prime number: 42 402 103
• Following prime number: 42 402 149

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• 42 402 121 est-il un nombre premier ?