Is 42015 a prime number?

42 015 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 42 015 is about 204.976.

Thus, the square root of 42 015 is not an integer, and therefore 42 015 is not a square number.

The square of a number (here 42 015) is the result of the product of this number (42 015) by itself (i.e., 42 015 × 42 015); the square of 42 015 is sometimes called "raising 42 015 to the power 2", or "42 015 squared".

The square of 42 015 is 1 765 260 225 because 42 015 × 42 015 = 42 015² = 1 765 260 225.

As a consequence, 42 015 is the square root of 1 765 260 225.

42 015 is a number with 5 digits.

The multiples of 42 015 are all integers evenly divisible by 42 015, that is all numbers such that the remainder of the division by 42 015 is zero. There are infinitely many multiples of 42 015. The smallest multiples of 42 015 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 015 too, since 0 × 42 015 = 0
• 42 015: indeed, 42 015 is a multiple of itself, since 42 015 is evenly divisible by 42 015 (we have 42 015 / 42 015 = 1, so the remainder of this division is indeed zero)
• 84 030: indeed, 84 030 = 42 015 × 2
• 126 045: indeed, 126 045 = 42 015 × 3
• 168 060: indeed, 168 060 = 42 015 × 4
• 210 075: indeed, 210 075 = 42 015 × 5
• etc.

• Preceding numbers: …42 013, 42 014
• Following numbers: 42 016, 42 017…

Nearest numbers from 42 015

• Preceding prime number: 42 013
• Following prime number: 42 017

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• 42 015 est-il un nombre premier ?