Is 77987 a prime number?

77 987 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 77 987 is about 279.262.

Thus, the square root of 77 987 is not an integer, and therefore 77 987 is not a square number.

The square of a number (here 77 987) is the result of the product of this number (77 987) by itself (i.e., 77 987 × 77 987); the square of 77 987 is sometimes called "raising 77 987 to the power 2", or "77 987 squared".

The square of 77 987 is 6 081 972 169 because 77 987 × 77 987 = 77 987² = 6 081 972 169.

As a consequence, 77 987 is the square root of 6 081 972 169.

77 987 is a number with 5 digits.

The multiples of 77 987 are all integers evenly divisible by 77 987, that is all numbers such that the remainder of the division by 77 987 is zero. There are infinitely many multiples of 77 987. The smallest multiples of 77 987 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 77 987 too, since 0 × 77 987 = 0
• 77 987: indeed, 77 987 is a multiple of itself, since 77 987 is evenly divisible by 77 987 (we have 77 987 / 77 987 = 1, so the remainder of this division is indeed zero)
• 155 974: indeed, 155 974 = 77 987 × 2
• 233 961: indeed, 233 961 = 77 987 × 3
• 311 948: indeed, 311 948 = 77 987 × 4
• 389 935: indeed, 389 935 = 77 987 × 5
• etc.

• Preceding numbers: …77 985, 77 986
• Following numbers: 77 988, 77 989…

Nearest numbers from 77 987

• Preceding prime number: 77 983
• Following prime number: 77 999

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• 77 987 est-il un nombre premier ?