Is 155980 a prime number?

155 980 is an even number, because it is evenly divisible by 2: 155 980 / 2 = 77 990.

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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 155 980 is about 394.943.

Thus, the square root of 155 980 is not an integer, and therefore 155 980 is not a square number.

The square of a number (here 155 980) is the result of the product of this number (155 980) by itself (i.e., 155 980 × 155 980); the square of 155 980 is sometimes called "raising 155 980 to the power 2", or "155 980 squared".

The square of 155 980 is 24 329 760 400 because 155 980 × 155 980 = 155 980² = 24 329 760 400.

As a consequence, 155 980 is the square root of 24 329 760 400.

155 980 is a number with 6 digits.

The multiples of 155 980 are all integers evenly divisible by 155 980, that is all numbers such that the remainder of the division by 155 980 is zero. There are infinitely many multiples of 155 980. The smallest multiples of 155 980 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 155 980 too, since 0 × 155 980 = 0
• 155 980: indeed, 155 980 is a multiple of itself, since 155 980 is evenly divisible by 155 980 (we have 155 980 / 155 980 = 1, so the remainder of this division is indeed zero)
• 311 960: indeed, 311 960 = 155 980 × 2
• 467 940: indeed, 467 940 = 155 980 × 3
• 623 920: indeed, 623 920 = 155 980 × 4
• 779 900: indeed, 779 900 = 155 980 × 5
• etc.

• Preceding numbers: …155 978, 155 979
• Following numbers: 155 981, 155 982…

Nearest numbers from 155 980

• Preceding prime number: 155 921
• Following prime number: 156 007

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• 155 980 est-il un nombre premier ?