Is 121920 a prime number?

121 920 is an even number, because it is evenly divisible by 2: 121 920 / 2 = 60 960.

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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 121 920 is about 349.170.

Thus, the square root of 121 920 is not an integer, and therefore 121 920 is not a square number.

The square of a number (here 121 920) is the result of the product of this number (121 920) by itself (i.e., 121 920 × 121 920); the square of 121 920 is sometimes called "raising 121 920 to the power 2", or "121 920 squared".

The square of 121 920 is 14 864 486 400 because 121 920 × 121 920 = 121 920² = 14 864 486 400.

As a consequence, 121 920 is the square root of 14 864 486 400.

121 920 is a number with 6 digits.

The multiples of 121 920 are all integers evenly divisible by 121 920, that is all numbers such that the remainder of the division by 121 920 is zero. There are infinitely many multiples of 121 920. The smallest multiples of 121 920 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 121 920 too, since 0 × 121 920 = 0
• 121 920: indeed, 121 920 is a multiple of itself, since 121 920 is evenly divisible by 121 920 (we have 121 920 / 121 920 = 1, so the remainder of this division is indeed zero)
• 243 840: indeed, 243 840 = 121 920 × 2
• 365 760: indeed, 365 760 = 121 920 × 3
• 487 680: indeed, 487 680 = 121 920 × 4
• 609 600: indeed, 609 600 = 121 920 × 5
• etc.

• Preceding numbers: …121 918, 121 919
• Following numbers: 121 921, 121 922…

Nearest numbers from 121 920

• Preceding prime number: 121 909
• Following prime number: 121 921

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• 121 920 est-il un nombre premier ?