Is 978990 a prime number?

978 990 is an even number, because it is evenly divisible by 2: 978 990 / 2 = 489 495.

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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 978 990 is about 989.439.

Thus, the square root of 978 990 is not an integer, and therefore 978 990 is not a square number.

The square of a number (here 978 990) is the result of the product of this number (978 990) by itself (i.e., 978 990 × 978 990); the square of 978 990 is sometimes called "raising 978 990 to the power 2", or "978 990 squared".

The square of 978 990 is 958 421 420 100 because 978 990 × 978 990 = 978 990² = 958 421 420 100.

As a consequence, 978 990 is the square root of 958 421 420 100.

978 990 is a number with 6 digits.

The multiples of 978 990 are all integers evenly divisible by 978 990, that is all numbers such that the remainder of the division by 978 990 is zero. There are infinitely many multiples of 978 990. The smallest multiples of 978 990 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 978 990 too, since 0 × 978 990 = 0
• 978 990: indeed, 978 990 is a multiple of itself, since 978 990 is evenly divisible by 978 990 (we have 978 990 / 978 990 = 1, so the remainder of this division is indeed zero)
• 1 957 980: indeed, 1 957 980 = 978 990 × 2
• 2 936 970: indeed, 2 936 970 = 978 990 × 3
• 3 915 960: indeed, 3 915 960 = 978 990 × 4
• 4 894 950: indeed, 4 894 950 = 978 990 × 5
• etc.

• Preceding numbers: …978 988, 978 989
• Following numbers: 978 991, 978 992…

Nearest numbers from 978 990

• Preceding prime number: 978 973
• Following prime number: 978 997

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• 978 990 est-il un nombre premier ?