If 99 were a prime number, which of the following would be true?
It would be divisible by 2.
It would have exactly two positive divisors.
It would be divisible by 3.
It would be less than 50.
of 10
Is 99 Prime Number or Composite Number
Is 99 a Prime Number?
No: 99 is not a Prime Number.
Why No: 99 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. See Prime number checker.
Is 99 a Composite Number?
Yes: is a Composite Number.
Why Yes: 99 is a composite number because it has more than two distinct positive divisors. It is divisible by 1, 3, 9, 11, 33, and itself (99).
Problem Statements
| Property | Answer |
|---|---|
| Is 99 a prime number? | No |
| Is 99 a composite number? | Yes |
| Is 99 a perfect square? | No |
| Factors of 99 | 1, 3, 9, 11, 33, 99 |
| Multiples of 99 | 99, 198, 297, 396, 495, 594, 693, 792, 891, 990 |
| Cube Root of 99 | Approximately 4.626 |
| Square of 99 | 9801 |
| Square Root of 99 | Approximately 9.950 |
| Is 99 a Perfect Cube? | No |
| Is 99 an Irrational number | No |
| Is 99 a Rational number | Yes |
| Is 99 a Real number | Yes |
| Is 99 an Integer | Yes |
| Is 99 a Natural number | Yes |
| Is 99 a Whole number | Yes |
| Is 99 an Even or odd number | Yes (99 is an odd number) |
| Is 99 an Ordinal number | Yes |
| Is 99 a Complex number | Yes (as all real numbers are also complex numbers) |
What are the factors of 99?
The factors of 99 are 1, 3, 9, 11, 33, and 99. 99 is not a prime number because it is divisible by numbers other than 1 and itself, demonstrating it has more than two factors. This clarity confirms that it is a composite number, not a prime number.
What Kind of Number is 99?
- Composite Number: 99 has more than two distinct positive divisors (1, 3, 9, 11, 33, and 99).
- Odd Number: 99 is an odd number.
- Significant in Various Contexts: Its unique properties as a composite number give 99 significance in different discussions.
- Natural Number: 99 is a natural number.
- Positive Integer: 99 is a positive integer.
- Discussed Within Composite Numbers: 99 is often discussed in the context of composite numbers.
- Odd Number: Emphasizing again, 99 is an odd number, not divisible evenly by 2.
- Rational Number: 99 is a rational number, as it can be expressed as a ratio of two integers.
- Whole Number: 99 is a whole number, indicating its non-negative and integer status.
Nearest Prime Number of 99
The nearest prime numbers to 99 are 97 and 101. 97 is the closest prime number less than 99, and 101 is the closest prime number greater than 99.
Share :
Practice Test
Which statement is true about the number 99?
It is prime because it ends in 9.
It is composite because it has divisors other than 1 and itself.
It is prime because it is less than 100.
It is composite because it is divisible only by 2.
of 10
What is the quotient when 99 is divided by 9?
10
11
12
13
of 10
Is 99 a composite number because it has a sum of digits that is divisible by a prime number?
Yes
No
Only if the sum is divisible by 2
None of the above
of 10
What is the result when 99 is divided by 33?
2
3
4
6
of 10
What type of number is 99 if it is divisible by both 3 and 11?
Prime
Composite
Even
Odd
of 10
Which of the following numbers is a divisor of 99?
5
6
9
12
of 10
If a number is greater than 1 and divisible by 11, what can be concluded about it?
It is always prime
It is always composite
It is sometimes prime
None of the above
of 10
What is the smallest prime factor of 99?
2
3
5
7
of 10
Is 99 a prime number?
Yes
No
Sometimes
Only if it is less than 100
of 10