Is 101561 a prime number?

101 561 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 101 561 is about 318.686.

Thus, the square root of 101 561 is not an integer, and therefore 101 561 is not a square number.

Anyway, 101 561 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 101 561) is the result of the product of this number (101 561) by itself (i.e., 101 561 × 101 561); the square of 101 561 is sometimes called "raising 101 561 to the power 2", or "101 561 squared".

The square of 101 561 is 10 314 636 721 because 101 561 × 101 561 = 101 561² = 10 314 636 721.

As a consequence, 101 561 is the square root of 10 314 636 721.

101 561 is a number with 6 digits.

The multiples of 101 561 are all integers evenly divisible by 101 561, that is all numbers such that the remainder of the division by 101 561 is zero. There are infinitely many multiples of 101 561. The smallest multiples of 101 561 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 101 561 too, since 0 × 101 561 = 0
• 101 561: indeed, 101 561 is a multiple of itself, since 101 561 is evenly divisible by 101 561 (we have 101 561 / 101 561 = 1, so the remainder of this division is indeed zero)
• 203 122: indeed, 203 122 = 101 561 × 2
• 304 683: indeed, 304 683 = 101 561 × 3
• 406 244: indeed, 406 244 = 101 561 × 4
• 507 805: indeed, 507 805 = 101 561 × 5
• etc.

• Preceding numbers: …101 559, 101 560
• Following numbers: 101 562, 101 563…

Nearest numbers from 101 561

• Preceding prime number: 101 537
• Following prime number: 101 573

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• 101 561 est-il un nombre premier ?