Is 42691 a prime number?

42 691 is an odd number, because it is not evenly divisible by 2.

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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 42 691 is about 206.618.

Thus, the square root of 42 691 is not an integer, and therefore 42 691 is not a square number.

The square of a number (here 42 691) is the result of the product of this number (42 691) by itself (i.e., 42 691 × 42 691); the square of 42 691 is sometimes called "raising 42 691 to the power 2", or "42 691 squared".

The square of 42 691 is 1 822 521 481 because 42 691 × 42 691 = 42 691² = 1 822 521 481.

As a consequence, 42 691 is the square root of 1 822 521 481.

42 691 is a number with 5 digits.

The multiples of 42 691 are all integers evenly divisible by 42 691, that is all numbers such that the remainder of the division by 42 691 is zero. There are infinitely many multiples of 42 691. The smallest multiples of 42 691 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 691 too, since 0 × 42 691 = 0
• 42 691: indeed, 42 691 is a multiple of itself, since 42 691 is evenly divisible by 42 691 (we have 42 691 / 42 691 = 1, so the remainder of this division is indeed zero)
• 85 382: indeed, 85 382 = 42 691 × 2
• 128 073: indeed, 128 073 = 42 691 × 3
• 170 764: indeed, 170 764 = 42 691 × 4
• 213 455: indeed, 213 455 = 42 691 × 5
• etc.

• Preceding numbers: …42 689, 42 690
• Following numbers: 42 692, 42 693…

Nearest numbers from 42 691

• Preceding prime number: 42 689
• Following prime number: 42 697

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• 42 691 est-il un nombre premier ?