Is 42009823 a prime number?

42 009 823 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 42 009 823 is about 6 481.499.

Thus, the square root of 42 009 823 is not an integer, and therefore 42 009 823 is not a square number.

Anyway, 42 009 823 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 009 823) is the result of the product of this number (42 009 823) by itself (i.e., 42 009 823 × 42 009 823); the square of 42 009 823 is sometimes called "raising 42 009 823 to the power 2", or "42 009 823 squared".

The square of 42 009 823 is 1 764 825 228 491 329 because 42 009 823 × 42 009 823 = 42 009 823² = 1 764 825 228 491 329.

As a consequence, 42 009 823 is the square root of 1 764 825 228 491 329.

42 009 823 is a number with 8 digits.

The multiples of 42 009 823 are all integers evenly divisible by 42 009 823, that is all numbers such that the remainder of the division by 42 009 823 is zero. There are infinitely many multiples of 42 009 823. The smallest multiples of 42 009 823 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 009 823 too, since 0 × 42 009 823 = 0
• 42 009 823: indeed, 42 009 823 is a multiple of itself, since 42 009 823 is evenly divisible by 42 009 823 (we have 42 009 823 / 42 009 823 = 1, so the remainder of this division is indeed zero)
• 84 019 646: indeed, 84 019 646 = 42 009 823 × 2
• 126 029 469: indeed, 126 029 469 = 42 009 823 × 3
• 168 039 292: indeed, 168 039 292 = 42 009 823 × 4
• 210 049 115: indeed, 210 049 115 = 42 009 823 × 5
• etc.

• Preceding numbers: …42 009 821, 42 009 822
• Following numbers: 42 009 824, 42 009 825…

Nearest numbers from 42 009 823

• Preceding prime number: 42 009 809
• Following prime number: 42 009 841

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• 42 009 823 est-il un nombre premier ?