What is a number with 9 factors?
What is a number with 9 factors?
The two numbers which have exactly 9 divisors are 36 and 100.
What are two factors of 9?
9 is a composite number. Therefore the factors of 9 are 1, 3, and 9.
What 2 digit number has the most factors?
Working backwards, the largest 2 digit number with exactly 9 factors is 36.
Is 9 a prime factor?
A prime power has only one prime factor. The first: 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19 (sequence A000961 in the OEIS). 1 is sometimes included.
What multiple of 9 is also a factor of 9?
For example, 18 is a multiple of 9 and 1 + 8 = 9. Similarly, 198 is a multiple of 9 and 1 + 9 + 8 = 18 and 1 + 8 = 9….List of First 20 Multiples of 9.
| Multiply 9 by the numbers from 1 to 20 | Multiples of 9 |
|---|---|
| 9 × 1 | 9 |
| 9 × 9 | 81 |
| 9 × 10 | 90 |
| 9 × 11 | 99 |
Is 9 a composite number?
The first few composite numbers (sometimes called “composites” for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16. Note that the number 1 is a special case which is considered to be neither composite nor prime.
Which number has only two factor?
prime number
A number with only two factors is called a prime number. A number with more than two factors is called a composite number.
What number has the most factors in the world?
The answer is 840, and it does have 32 factors, namely 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420 and 840.
Can 37 be divided by anything?
When we list them out like this it’s easy to see that the numbers which 37 is divisible by are 1 and 37. What is this? You might be interested to know that all of the divisor numbers listed above are also known as the Factors of 37. Not only that, but the numbers can also be called the divisors of 37.
What is 9 as a product of 2 primes?
Now collect all the results you have. There you go, 9=3×3, as a product of primes. or 3^2, if you want to write it in index notation.
