Is 42749 a prime number?

42 749 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 42 749 is about 206.758.

Thus, the square root of 42 749 is not an integer, and therefore 42 749 is not a square number.

The square of a number (here 42 749) is the result of the product of this number (42 749) by itself (i.e., 42 749 × 42 749); the square of 42 749 is sometimes called "raising 42 749 to the power 2", or "42 749 squared".

The square of 42 749 is 1 827 477 001 because 42 749 × 42 749 = 42 749² = 1 827 477 001.

As a consequence, 42 749 is the square root of 1 827 477 001.

42 749 is a number with 5 digits.

The multiples of 42 749 are all integers evenly divisible by 42 749, that is all numbers such that the remainder of the division by 42 749 is zero. There are infinitely many multiples of 42 749. The smallest multiples of 42 749 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 749 too, since 0 × 42 749 = 0
• 42 749: indeed, 42 749 is a multiple of itself, since 42 749 is evenly divisible by 42 749 (we have 42 749 / 42 749 = 1, so the remainder of this division is indeed zero)
• 85 498: indeed, 85 498 = 42 749 × 2
• 128 247: indeed, 128 247 = 42 749 × 3
• 170 996: indeed, 170 996 = 42 749 × 4
• 213 745: indeed, 213 745 = 42 749 × 5
• etc.

• Preceding numbers: …42 747, 42 748
• Following numbers: 42 750, 42 751…

Nearest numbers from 42 749

• Preceding prime number: 42 743
• Following prime number: 42 751

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• 42 749 est-il un nombre premier ?