Is 401408015 a prime number?

401 408 015 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 401 408 015 is about 20 035.169.

Thus, the square root of 401 408 015 is not an integer, and therefore 401 408 015 is not a square number.

The square of a number (here 401 408 015) is the result of the product of this number (401 408 015) by itself (i.e., 401 408 015 × 401 408 015); the square of 401 408 015 is sometimes called "raising 401 408 015 to the power 2", or "401 408 015 squared".

The square of 401 408 015 is 161 128 394 506 240 224 because 401 408 015 × 401 408 015 = 401 408 015² = 161 128 394 506 240 224.

As a consequence, 401 408 015 is the square root of 161 128 394 506 240 224.

401 408 015 is a number with 9 digits.

The multiples of 401 408 015 are all integers evenly divisible by 401 408 015, that is all numbers such that the remainder of the division by 401 408 015 is zero. There are infinitely many multiples of 401 408 015. The smallest multiples of 401 408 015 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 401 408 015 too, since 0 × 401 408 015 = 0
• 401 408 015: indeed, 401 408 015 is a multiple of itself, since 401 408 015 is evenly divisible by 401 408 015 (we have 401 408 015 / 401 408 015 = 1, so the remainder of this division is indeed zero)
• 802 816 030: indeed, 802 816 030 = 401 408 015 × 2
• 1 204 224 045: indeed, 1 204 224 045 = 401 408 015 × 3
• 1 605 632 060: indeed, 1 605 632 060 = 401 408 015 × 4
• 2 007 040 075: indeed, 2 007 040 075 = 401 408 015 × 5
• etc.

• Preceding numbers: …401 408 013, 401 408 014
• Following numbers: 401 408 016, 401 408 017…

Nearest numbers from 401 408 015

• Preceding prime number: 401 408 009
• Following prime number: 401 408 027

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• 401 408 015 est-il un nombre premier ?