Is 991501 a prime number?

991 501 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 991 501 is about 995.741.

Thus, the square root of 991 501 is not an integer, and therefore 991 501 is not a square number.

The square of a number (here 991 501) is the result of the product of this number (991 501) by itself (i.e., 991 501 × 991 501); the square of 991 501 is sometimes called "raising 991 501 to the power 2", or "991 501 squared".

The square of 991 501 is 983 074 233 001 because 991 501 × 991 501 = 991 501² = 983 074 233 001.

As a consequence, 991 501 is the square root of 983 074 233 001.

991 501 is a number with 6 digits.

The multiples of 991 501 are all integers evenly divisible by 991 501, that is all numbers such that the remainder of the division by 991 501 is zero. There are infinitely many multiples of 991 501. The smallest multiples of 991 501 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 991 501 too, since 0 × 991 501 = 0
• 991 501: indeed, 991 501 is a multiple of itself, since 991 501 is evenly divisible by 991 501 (we have 991 501 / 991 501 = 1, so the remainder of this division is indeed zero)
• 1 983 002: indeed, 1 983 002 = 991 501 × 2
• 2 974 503: indeed, 2 974 503 = 991 501 × 3
• 3 966 004: indeed, 3 966 004 = 991 501 × 4
• 4 957 505: indeed, 4 957 505 = 991 501 × 5
• etc.

• Preceding numbers: …991 499, 991 500
• Following numbers: 991 502, 991 503…

Nearest numbers from 991 501

• Preceding prime number: 991 499
• Following prime number: 991 511

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• 991 501 est-il un nombre premier ?