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A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.

Is 1000 a Prime Number?

Is 1000 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 1000 is a prime or composite is - "1000 is a composite number." Now, let us find out how and why is 1000 a prime number or a composite number?

  • Is 1000 a prime number? - No
  • Is 1000 a composite number? - Yes
  • Is 1000 a perfect square? - No
  • Factors of 1000 - 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000
  • Prime Factors of 1000 - 2, 5

Is 1000 a Prime or Composite?

Is 1000 a Prime Number?

No, 1000 is not a prime number. The number 1000 is divisible by 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000. For a number to be classified as a prime number, it should have exactly two factors. Since 1000 has more than two factors, i.e. 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, it is not a prime number.

Is 1000 a Prime Number?

Why is 1000 not a Prime Number?

To understand whether 1000 is composite or prime, it is important to find its factors.

Factors of 1000: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000

Since 1000 has more than 2 factors, we can say that 1000 is not a prime number.

☛ Prime Number Calculator

Is 1000 a Composite Number?

Yes, since 1000 has more than two factors i.e. 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000. In other words, 1000 is a composite number because 1000 has more than 2 factors.

Problem Statements:

Is 1000 a Prime Number? No
Is 1000 a Composite Number? Yes
Is 1000 a Perfect Square? No
Is 1000 an Even Number? Yes
Is 1000 an Odd Number? No
Is 1000 a Perfect Cube? Yes
Multiples of 1000 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000
Cube Root of 1000 334
Square Root of 1000 31.622777
Square of 1000 1000000

Fun Facts:

  • A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (311, 313) are twin prime numbers.
  • Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1
  • 2 is the smallest prime number.

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