Is 61987 a prime number?

61 987 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 61 987 is about 248.972.

Thus, the square root of 61 987 is not an integer, and therefore 61 987 is not a square number.

Anyway, 61 987 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 61 987) is the result of the product of this number (61 987) by itself (i.e., 61 987 × 61 987); the square of 61 987 is sometimes called "raising 61 987 to the power 2", or "61 987 squared".

The square of 61 987 is 3 842 388 169 because 61 987 × 61 987 = 61 987² = 3 842 388 169.

As a consequence, 61 987 is the square root of 3 842 388 169.

61 987 is a number with 5 digits.

The multiples of 61 987 are all integers evenly divisible by 61 987, that is all numbers such that the remainder of the division by 61 987 is zero. There are infinitely many multiples of 61 987. The smallest multiples of 61 987 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 61 987 too, since 0 × 61 987 = 0
• 61 987: indeed, 61 987 is a multiple of itself, since 61 987 is evenly divisible by 61 987 (we have 61 987 / 61 987 = 1, so the remainder of this division is indeed zero)
• 123 974: indeed, 123 974 = 61 987 × 2
• 185 961: indeed, 185 961 = 61 987 × 3
• 247 948: indeed, 247 948 = 61 987 × 4
• 309 935: indeed, 309 935 = 61 987 × 5
• etc.

• Preceding numbers: …61 985, 61 986
• Following numbers: 61 988, 61 989…

Nearest numbers from 61 987

• Preceding prime number: 61 981
• Following prime number: 61 991

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• 61 987 est-il un nombre premier ?