Is 15120 a prime number?

15 120 is an even number, because it is evenly divisible by 2: 15 120 / 2 = 7 560.

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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 15 120 is about 122.963.

Thus, the square root of 15 120 is not an integer, and therefore 15 120 is not a square number.

The square of a number (here 15 120) is the result of the product of this number (15 120) by itself (i.e., 15 120 × 15 120); the square of 15 120 is sometimes called "raising 15 120 to the power 2", or "15 120 squared".

The square of 15 120 is 228 614 400 because 15 120 × 15 120 = 15 120² = 228 614 400.

As a consequence, 15 120 is the square root of 228 614 400.

15 120 is a number with 5 digits.

The multiples of 15 120 are all integers evenly divisible by 15 120, that is all numbers such that the remainder of the division by 15 120 is zero. There are infinitely many multiples of 15 120. The smallest multiples of 15 120 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 15 120 too, since 0 × 15 120 = 0
• 15 120: indeed, 15 120 is a multiple of itself, since 15 120 is evenly divisible by 15 120 (we have 15 120 / 15 120 = 1, so the remainder of this division is indeed zero)
• 30 240: indeed, 30 240 = 15 120 × 2
• 45 360: indeed, 45 360 = 15 120 × 3
• 60 480: indeed, 60 480 = 15 120 × 4
• 75 600: indeed, 75 600 = 15 120 × 5
• etc.

• Preceding numbers: …15 118, 15 119
• Following numbers: 15 121, 15 122…

Nearest numbers from 15 120

• Preceding prime number: 15 107
• Following prime number: 15 121

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• 15 120 est-il un nombre premier ?