Is 1995 a prime number?

1 995 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 1 995 is about 44.665.

Thus, the square root of 1 995 is not an integer, and therefore 1 995 is not a square number.

The square of a number (here 1 995) is the result of the product of this number (1 995) by itself (i.e., 1 995 × 1 995); the square of 1 995 is sometimes called "raising 1 995 to the power 2", or "1 995 squared".

The square of 1 995 is 3 980 025 because 1 995 × 1 995 = 1 995² = 3 980 025.

As a consequence, 1 995 is the square root of 3 980 025.

1 995 is a number with 4 digits.

The multiples of 1 995 are all integers evenly divisible by 1 995, that is all numbers such that the remainder of the division by 1 995 is zero. There are infinitely many multiples of 1 995. The smallest multiples of 1 995 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 995 too, since 0 × 1 995 = 0
• 1 995: indeed, 1 995 is a multiple of itself, since 1 995 is evenly divisible by 1 995 (we have 1 995 / 1 995 = 1, so the remainder of this division is indeed zero)
• 3 990: indeed, 3 990 = 1 995 × 2
• 5 985: indeed, 5 985 = 1 995 × 3
• 7 980: indeed, 7 980 = 1 995 × 4
• 9 975: indeed, 9 975 = 1 995 × 5
• etc.

• Preceding numbers: …1 993, 1 994
• Following numbers: 1 996, 1 997…

Nearest numbers from 1 995

• Preceding prime number: 1 993
• Following prime number: 1 997

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• 1 995 est-il un nombre premier ?