Is 8 a prime number or a composite number?
Prime
Composite
Neither
Both
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Is 8 a Prime Number or Composite Number [Why & Why not Detailed Guide]
Is 8 a Prime Number or Composite Number [Why & Why not Detailed Guide]
Is 8 a Prime Number?
No – 8 is not a prime number.
Why No: 8 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. Instead, 8 has divisors 1, 2, 4, and 8. Use this Prime number Checker to check for any number.
Is 8 a Composite Number?
YES – 8 is a Composite Number
Why Yes: 8 is a composite number because it does not have only two distinct positive divisors: 1 and itself. Instead, 8 has several divisors: 1, 2, 4, and 8.
Problem Statements
| Property | Answer |
|---|---|
| Is 8 a prime number? | No |
| Is 8 a composite number? | Yes |
| Is 8 a perfect square? | No |
| Factors of 8 | 1, 2, 4, 8 |
| Multiples of 8 | 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 |
| Cube Root of 8 | 2 (8 is a perfect cube) |
| Square of 8 | 64 |
| Square Root of 8 | Approximately 2.828 |
| Is 8 a Perfect Square? | No |
| Is 8 a Perfect Cube? | Yes |
| Is 8 an Irrational number | No |
| Is 8 a Rational number | Yes |
| Is 8 a Real number | Yes |
| Is 8 an Integer | Yes |
| Is 8 a Natural number | Yes |
| Is 8 a Whole number | Yes |
| Is 8 an Even or odd number | Yes (8 is an even number) |
| Is 8 an Ordinal number | Yes |
| Is 8 a Complex number | Yes (as all real numbers are also complex numbers) |
What are the factors of 8?
The factors of 8 are 1, 2, 4, and 8. These are the numbers that can divide 8 evenly without leaving a remainder.
What Kind of Number is 8?
- 8 is not a prime number but a composite number.
- 8 is one of the even composite numbers.
- 8 is often associated with infinity and balance in various cultures.
- A natural number.
- A positive integer.
- A composite number.
- An even number.
- A rational number.
- A whole number.
8 is recognized not as a prime number but as a composite number because it has divisors other than 1 and itself, specifically 1, 2, and 4. This distinguishes it from prime numbers, which have exactly two distinct positive divisors. The number 8, in particular, is often associated with infinity and balance in many cultures, due to its symmetrical shape. Its status as a composite number and its cultural significance highlight the interesting connections between mathematics and human belief systems.
FAQS
Is 8 a perfect square?
Yes, 8 is not a perfect square. A perfect square is a number that can be expressed as the square of an integer, and there is no integer whose square is 8.
Prime Factors of 8
The prime factors of 8 are 2. The number 8 can be factored into 2^3, meaning it is composed entirely of the prime number 2 multiplied by itself three times.
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Prime Number Checker
Practice Test
How many positive divisors does the number 8 have?
2
3
4
5
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Which of the following numbers is a divisor of 8?
3
4
5
7
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What are the prime factors of the number 8?
2 and 4
1 and 8
2 and 2
2 and 2 and 2
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Which of the following statements is true about the number 8?
It has only two divisors
It is divisible by 1, 2, 4, and 8
It is a prime number
It is neither prime nor composite
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What type of number is 8 based on its divisibility?
Prime
Even
Composite
Odd
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Which statement best describes why 8 is not a prime number?
It is even
It has only one divisor
It has more than two divisors
It is odd
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What makes the number 8 a composite number?
It is an odd number
It is only divisible by 1 and 8
It has divisors other than 1 and itself
It is a prime number
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Which number, when multiplied by 2, results in 8?
3
4
5
6
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Which of these numbers is similar to 8 in terms of being a composite number?
3
5
6
7
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