Is 123131 a prime number?

123 131 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 123 131 is about 350.900.

Thus, the square root of 123 131 is not an integer, and therefore 123 131 is not a square number.

The square of a number (here 123 131) is the result of the product of this number (123 131) by itself (i.e., 123 131 × 123 131); the square of 123 131 is sometimes called "raising 123 131 to the power 2", or "123 131 squared".

The square of 123 131 is 15 161 243 161 because 123 131 × 123 131 = 123 131² = 15 161 243 161.

As a consequence, 123 131 is the square root of 15 161 243 161.

123 131 is a number with 6 digits.

The multiples of 123 131 are all integers evenly divisible by 123 131, that is all numbers such that the remainder of the division by 123 131 is zero. There are infinitely many multiples of 123 131. The smallest multiples of 123 131 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 131 too, since 0 × 123 131 = 0
• 123 131: indeed, 123 131 is a multiple of itself, since 123 131 is evenly divisible by 123 131 (we have 123 131 / 123 131 = 1, so the remainder of this division is indeed zero)
• 246 262: indeed, 246 262 = 123 131 × 2
• 369 393: indeed, 369 393 = 123 131 × 3
• 492 524: indeed, 492 524 = 123 131 × 4
• 615 655: indeed, 615 655 = 123 131 × 5
• etc.

• Preceding numbers: …123 129, 123 130
• Following numbers: 123 132, 123 133…

Nearest numbers from 123 131

• Preceding prime number: 123 127
• Following prime number: 123 143

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• 123 131 est-il un nombre premier ?