Is 5445 a prime number?

5 445 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 5 445 is about 73.790.

Thus, the square root of 5 445 is not an integer, and therefore 5 445 is not a square number.

The square of a number (here 5 445) is the result of the product of this number (5 445) by itself (i.e., 5 445 × 5 445); the square of 5 445 is sometimes called "raising 5 445 to the power 2", or "5 445 squared".

The square of 5 445 is 29 648 025 because 5 445 × 5 445 = 5 445² = 29 648 025.

As a consequence, 5 445 is the square root of 29 648 025.

5 445 is a number with 4 digits.

The multiples of 5 445 are all integers evenly divisible by 5 445, that is all numbers such that the remainder of the division by 5 445 is zero. There are infinitely many multiples of 5 445. The smallest multiples of 5 445 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 5 445 too, since 0 × 5 445 = 0
• 5 445: indeed, 5 445 is a multiple of itself, since 5 445 is evenly divisible by 5 445 (we have 5 445 / 5 445 = 1, so the remainder of this division is indeed zero)
• 10 890: indeed, 10 890 = 5 445 × 2
• 16 335: indeed, 16 335 = 5 445 × 3
• 21 780: indeed, 21 780 = 5 445 × 4
• 27 225: indeed, 27 225 = 5 445 × 5
• etc.

• Preceding numbers: …5 443, 5 444
• Following numbers: 5 446, 5 447…

Nearest numbers from 5 445

• Preceding prime number: 5 443
• Following prime number: 5 449

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• 5 445 est-il un nombre premier ?