Is 42166009 a prime number?

42 166 009 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 42 166 009 is about 6 493.536.

Thus, the square root of 42 166 009 is not an integer, and therefore 42 166 009 is not a square number.

Anyway, 42 166 009 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 166 009) is the result of the product of this number (42 166 009) by itself (i.e., 42 166 009 × 42 166 009); the square of 42 166 009 is sometimes called "raising 42 166 009 to the power 2", or "42 166 009 squared".

The square of 42 166 009 is 1 777 972 314 988 081 because 42 166 009 × 42 166 009 = 42 166 009² = 1 777 972 314 988 081.

As a consequence, 42 166 009 is the square root of 1 777 972 314 988 081.

42 166 009 is a number with 8 digits.

The multiples of 42 166 009 are all integers evenly divisible by 42 166 009, that is all numbers such that the remainder of the division by 42 166 009 is zero. There are infinitely many multiples of 42 166 009. The smallest multiples of 42 166 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 166 009 too, since 0 × 42 166 009 = 0
• 42 166 009: indeed, 42 166 009 is a multiple of itself, since 42 166 009 is evenly divisible by 42 166 009 (we have 42 166 009 / 42 166 009 = 1, so the remainder of this division is indeed zero)
• 84 332 018: indeed, 84 332 018 = 42 166 009 × 2
• 126 498 027: indeed, 126 498 027 = 42 166 009 × 3
• 168 664 036: indeed, 168 664 036 = 42 166 009 × 4
• 210 830 045: indeed, 210 830 045 = 42 166 009 × 5
• etc.

• Preceding numbers: …42 166 007, 42 166 008
• Following numbers: 42 166 010, 42 166 011…

Nearest numbers from 42 166 009

• Preceding prime number: 42 165 989
• Following prime number: 42 166 031

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• 42 166 009 est-il un nombre premier ?