Is 42979 a prime number?

42 979 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 42 979 is about 207.314.

Thus, the square root of 42 979 is not an integer, and therefore 42 979 is not a square number.

Anyway, 42 979 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 979) is the result of the product of this number (42 979) by itself (i.e., 42 979 × 42 979); the square of 42 979 is sometimes called "raising 42 979 to the power 2", or "42 979 squared".

The square of 42 979 is 1 847 194 441 because 42 979 × 42 979 = 42 979² = 1 847 194 441.

As a consequence, 42 979 is the square root of 1 847 194 441.

42 979 is a number with 5 digits.

The multiples of 42 979 are all integers evenly divisible by 42 979, that is all numbers such that the remainder of the division by 42 979 is zero. There are infinitely many multiples of 42 979. The smallest multiples of 42 979 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 979 too, since 0 × 42 979 = 0
• 42 979: indeed, 42 979 is a multiple of itself, since 42 979 is evenly divisible by 42 979 (we have 42 979 / 42 979 = 1, so the remainder of this division is indeed zero)
• 85 958: indeed, 85 958 = 42 979 × 2
• 128 937: indeed, 128 937 = 42 979 × 3
• 171 916: indeed, 171 916 = 42 979 × 4
• 214 895: indeed, 214 895 = 42 979 × 5
• etc.

• Preceding numbers: …42 977, 42 978
• Following numbers: 42 980, 42 981…

Nearest numbers from 42 979

• Preceding prime number: 42 967
• Following prime number: 42 989

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• 42 979 est-il un nombre premier ?