Is 42144 a prime number?

42 144 is an even number, because it is evenly divisible by 2: 42 144 / 2 = 21 072.

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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 42 144 is about 205.290.

Thus, the square root of 42 144 is not an integer, and therefore 42 144 is not a square number.

The square of a number (here 42 144) is the result of the product of this number (42 144) by itself (i.e., 42 144 × 42 144); the square of 42 144 is sometimes called "raising 42 144 to the power 2", or "42 144 squared".

The square of 42 144 is 1 776 116 736 because 42 144 × 42 144 = 42 144² = 1 776 116 736.

As a consequence, 42 144 is the square root of 1 776 116 736.

42 144 is a number with 5 digits.

The multiples of 42 144 are all integers evenly divisible by 42 144, that is all numbers such that the remainder of the division by 42 144 is zero. There are infinitely many multiples of 42 144. The smallest multiples of 42 144 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 144 too, since 0 × 42 144 = 0
• 42 144: indeed, 42 144 is a multiple of itself, since 42 144 is evenly divisible by 42 144 (we have 42 144 / 42 144 = 1, so the remainder of this division is indeed zero)
• 84 288: indeed, 84 288 = 42 144 × 2
• 126 432: indeed, 126 432 = 42 144 × 3
• 168 576: indeed, 168 576 = 42 144 × 4
• 210 720: indeed, 210 720 = 42 144 × 5
• etc.

• Preceding numbers: …42 142, 42 143
• Following numbers: 42 145, 42 146…

Nearest numbers from 42 144

• Preceding prime number: 42 139
• Following prime number: 42 157

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• 42 144 est-il un nombre premier ?