Is 15625 a prime number?

15 625 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 15 625 is 125.

Therefore, the square root of 15 625 is an integer, and as a consequence 15 625 is a perfect square.

As a consequence, 125 is the square root of 15 625.

The square of a number (here 15 625) is the result of the product of this number (15 625) by itself (i.e., 15 625 × 15 625); the square of 15 625 is sometimes called "raising 15 625 to the power 2", or "15 625 squared".

The square of 15 625 is 244 140 625 because 15 625 × 15 625 = 15 625² = 244 140 625.

As a consequence, 15 625 is the square root of 244 140 625.

15 625 is a number with 5 digits.

The multiples of 15 625 are all integers evenly divisible by 15 625, that is all numbers such that the remainder of the division by 15 625 is zero. There are infinitely many multiples of 15 625. The smallest multiples of 15 625 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 15 625 too, since 0 × 15 625 = 0
• 15 625: indeed, 15 625 is a multiple of itself, since 15 625 is evenly divisible by 15 625 (we have 15 625 / 15 625 = 1, so the remainder of this division is indeed zero)
• 31 250: indeed, 31 250 = 15 625 × 2
• 46 875: indeed, 46 875 = 15 625 × 3
• 62 500: indeed, 62 500 = 15 625 × 4
• 78 125: indeed, 78 125 = 15 625 × 5
• etc.

• Preceding numbers: …15 623, 15 624
• Following numbers: 15 626, 15 627…

Nearest numbers from 15 625

• Preceding prime number: 15 619
• Following prime number: 15 629

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• 15 625 est-il un nombre premier ?