Is 42664 a prime number?

42 664 is an even number, because it is evenly divisible by 2: 42 664 / 2 = 21 332.

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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 42 664 is about 206.553.

Thus, the square root of 42 664 is not an integer, and therefore 42 664 is not a square number.

The square of a number (here 42 664) is the result of the product of this number (42 664) by itself (i.e., 42 664 × 42 664); the square of 42 664 is sometimes called "raising 42 664 to the power 2", or "42 664 squared".

The square of 42 664 is 1 820 216 896 because 42 664 × 42 664 = 42 664² = 1 820 216 896.

As a consequence, 42 664 is the square root of 1 820 216 896.

42 664 is a number with 5 digits.

The multiples of 42 664 are all integers evenly divisible by 42 664, that is all numbers such that the remainder of the division by 42 664 is zero. There are infinitely many multiples of 42 664. The smallest multiples of 42 664 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 664 too, since 0 × 42 664 = 0
• 42 664: indeed, 42 664 is a multiple of itself, since 42 664 is evenly divisible by 42 664 (we have 42 664 / 42 664 = 1, so the remainder of this division is indeed zero)
• 85 328: indeed, 85 328 = 42 664 × 2
• 127 992: indeed, 127 992 = 42 664 × 3
• 170 656: indeed, 170 656 = 42 664 × 4
• 213 320: indeed, 213 320 = 42 664 × 5
• etc.

• Preceding numbers: …42 662, 42 663
• Following numbers: 42 665, 42 666…

Nearest numbers from 42 664

• Preceding prime number: 42 649
• Following prime number: 42 667

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• 42 664 est-il un nombre premier ?