Is 61121 a prime number?

61 121 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 61 121 is about 247.227.

Thus, the square root of 61 121 is not an integer, and therefore 61 121 is not a square number.

Anyway, 61 121 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 61 121) is the result of the product of this number (61 121) by itself (i.e., 61 121 × 61 121); the square of 61 121 is sometimes called "raising 61 121 to the power 2", or "61 121 squared".

The square of 61 121 is 3 735 776 641 because 61 121 × 61 121 = 61 121² = 3 735 776 641.

As a consequence, 61 121 is the square root of 3 735 776 641.

61 121 is a number with 5 digits.

The multiples of 61 121 are all integers evenly divisible by 61 121, that is all numbers such that the remainder of the division by 61 121 is zero. There are infinitely many multiples of 61 121. The smallest multiples of 61 121 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 61 121 too, since 0 × 61 121 = 0
• 61 121: indeed, 61 121 is a multiple of itself, since 61 121 is evenly divisible by 61 121 (we have 61 121 / 61 121 = 1, so the remainder of this division is indeed zero)
• 122 242: indeed, 122 242 = 61 121 × 2
• 183 363: indeed, 183 363 = 61 121 × 3
• 244 484: indeed, 244 484 = 61 121 × 4
• 305 605: indeed, 305 605 = 61 121 × 5
• etc.

• Preceding numbers: …61 119, 61 120
• Following numbers: 61 122, 61 123…

Nearest numbers from 61 121

• Preceding prime number: 61 099
• Following prime number: 61 129

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• 61 121 est-il un nombre premier ?