Is 61440 a prime number?

61 440 is an even number, because it is evenly divisible by 2: 61 440 / 2 = 30 720.

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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 61 440 is about 247.871.

Thus, the square root of 61 440 is not an integer, and therefore 61 440 is not a square number.

The square of a number (here 61 440) is the result of the product of this number (61 440) by itself (i.e., 61 440 × 61 440); the square of 61 440 is sometimes called "raising 61 440 to the power 2", or "61 440 squared".

The square of 61 440 is 3 774 873 600 because 61 440 × 61 440 = 61 440² = 3 774 873 600.

As a consequence, 61 440 is the square root of 3 774 873 600.

61 440 is a number with 5 digits.

The multiples of 61 440 are all integers evenly divisible by 61 440, that is all numbers such that the remainder of the division by 61 440 is zero. There are infinitely many multiples of 61 440. The smallest multiples of 61 440 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 61 440 too, since 0 × 61 440 = 0
• 61 440: indeed, 61 440 is a multiple of itself, since 61 440 is evenly divisible by 61 440 (we have 61 440 / 61 440 = 1, so the remainder of this division is indeed zero)
• 122 880: indeed, 122 880 = 61 440 × 2
• 184 320: indeed, 184 320 = 61 440 × 3
• 245 760: indeed, 245 760 = 61 440 × 4
• 307 200: indeed, 307 200 = 61 440 × 5
• etc.

• Preceding numbers: …61 438, 61 439
• Following numbers: 61 441, 61 442…

Nearest numbers from 61 440

• Preceding prime number: 61 417
• Following prime number: 61 441

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• 61 440 est-il un nombre premier ?