Is 64009 a prime number?

64 009 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 64 009 is 253.

Therefore, the square root of 64 009 is an integer, and as a consequence 64 009 is a perfect square.

As a consequence, 253 is the square root of 64 009.

The square of a number (here 64 009) is the result of the product of this number (64 009) by itself (i.e., 64 009 × 64 009); the square of 64 009 is sometimes called "raising 64 009 to the power 2", or "64 009 squared".

The square of 64 009 is 4 097 152 081 because 64 009 × 64 009 = 64 009² = 4 097 152 081.

As a consequence, 64 009 is the square root of 4 097 152 081.

64 009 is a number with 5 digits.

The multiples of 64 009 are all integers evenly divisible by 64 009, that is all numbers such that the remainder of the division by 64 009 is zero. There are infinitely many multiples of 64 009. The smallest multiples of 64 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 64 009 too, since 0 × 64 009 = 0
• 64 009: indeed, 64 009 is a multiple of itself, since 64 009 is evenly divisible by 64 009 (we have 64 009 / 64 009 = 1, so the remainder of this division is indeed zero)
• 128 018: indeed, 128 018 = 64 009 × 2
• 192 027: indeed, 192 027 = 64 009 × 3
• 256 036: indeed, 256 036 = 64 009 × 4
• 320 045: indeed, 320 045 = 64 009 × 5
• etc.

• Preceding numbers: …64 007, 64 008
• Following numbers: 64 010, 64 011…

Nearest numbers from 64 009

• Preceding prime number: 64 007
• Following prime number: 64 013

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• 64 009 est-il un nombre premier ?