Is 42747 a prime number?

42 747 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 42 747 is about 206.753.

Thus, the square root of 42 747 is not an integer, and therefore 42 747 is not a square number.

The square of a number (here 42 747) is the result of the product of this number (42 747) by itself (i.e., 42 747 × 42 747); the square of 42 747 is sometimes called "raising 42 747 to the power 2", or "42 747 squared".

The square of 42 747 is 1 827 306 009 because 42 747 × 42 747 = 42 747² = 1 827 306 009.

As a consequence, 42 747 is the square root of 1 827 306 009.

42 747 is a number with 5 digits.

The multiples of 42 747 are all integers evenly divisible by 42 747, that is all numbers such that the remainder of the division by 42 747 is zero. There are infinitely many multiples of 42 747. The smallest multiples of 42 747 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 747 too, since 0 × 42 747 = 0
• 42 747: indeed, 42 747 is a multiple of itself, since 42 747 is evenly divisible by 42 747 (we have 42 747 / 42 747 = 1, so the remainder of this division is indeed zero)
• 85 494: indeed, 85 494 = 42 747 × 2
• 128 241: indeed, 128 241 = 42 747 × 3
• 170 988: indeed, 170 988 = 42 747 × 4
• 213 735: indeed, 213 735 = 42 747 × 5
• etc.

• Preceding numbers: …42 745, 42 746
• Following numbers: 42 748, 42 749…

Nearest numbers from 42 747

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

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• 42 747 est-il un nombre premier ?