Is 2947 a prime number?

2 947 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 2 947 is about 54.286.

Thus, the square root of 2 947 is not an integer, and therefore 2 947 is not a square number.

The square of a number (here 2 947) is the result of the product of this number (2 947) by itself (i.e., 2 947 × 2 947); the square of 2 947 is sometimes called "raising 2 947 to the power 2", or "2 947 squared".

The square of 2 947 is 8 684 809 because 2 947 × 2 947 = 2 947² = 8 684 809.

As a consequence, 2 947 is the square root of 8 684 809.

2 947 is a number with 4 digits.

The multiples of 2 947 are all integers evenly divisible by 2 947, that is all numbers such that the remainder of the division by 2 947 is zero. There are infinitely many multiples of 2 947. The smallest multiples of 2 947 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 2 947 too, since 0 × 2 947 = 0
• 2 947: indeed, 2 947 is a multiple of itself, since 2 947 is evenly divisible by 2 947 (we have 2 947 / 2 947 = 1, so the remainder of this division is indeed zero)
• 5 894: indeed, 5 894 = 2 947 × 2
• 8 841: indeed, 8 841 = 2 947 × 3
• 11 788: indeed, 11 788 = 2 947 × 4
• 14 735: indeed, 14 735 = 2 947 × 5
• etc.

• Preceding numbers: …2 945, 2 946
• Following numbers: 2 948, 2 949…

Nearest numbers from 2 947

• Preceding prime number: 2 939
• Following prime number: 2 953

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• 2 947 est-il un nombre premier ?