Is 978721 a prime number?

978 721 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 978 721 is about 989.303.

Thus, the square root of 978 721 is not an integer, and therefore 978 721 is not a square number.

The square of a number (here 978 721) is the result of the product of this number (978 721) by itself (i.e., 978 721 × 978 721); the square of 978 721 is sometimes called "raising 978 721 to the power 2", or "978 721 squared".

The square of 978 721 is 957 894 795 841 because 978 721 × 978 721 = 978 721² = 957 894 795 841.

As a consequence, 978 721 is the square root of 957 894 795 841.

978 721 is a number with 6 digits.

The multiples of 978 721 are all integers evenly divisible by 978 721, that is all numbers such that the remainder of the division by 978 721 is zero. There are infinitely many multiples of 978 721. The smallest multiples of 978 721 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 978 721 too, since 0 × 978 721 = 0
• 978 721: indeed, 978 721 is a multiple of itself, since 978 721 is evenly divisible by 978 721 (we have 978 721 / 978 721 = 1, so the remainder of this division is indeed zero)
• 1 957 442: indeed, 1 957 442 = 978 721 × 2
• 2 936 163: indeed, 2 936 163 = 978 721 × 3
• 3 914 884: indeed, 3 914 884 = 978 721 × 4
• 4 893 605: indeed, 4 893 605 = 978 721 × 5
• etc.

• Preceding numbers: …978 719, 978 720
• Following numbers: 978 722, 978 723…

Nearest numbers from 978 721

• Preceding prime number: 978 713
• Following prime number: 978 727

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• 978 721 est-il un nombre premier ?