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Which number have 9 factors

Updated: 4/28/2022
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Numerous numbers have 9 factors. The numbers that are less than 1000 and have 9 factors are:

Factors for 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36

Factors for 100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100

Factors for 196 are: 1, 2, 4, 7, 14, 28, 49, 98, 196

Factors for 225 are: 1, 3, 5, 9, 15, 25, 45, 75, 225

Factors for 256 are: 1, 2, 4, 8, 16, 32, 64, 128, 256

Factors for 441 are: 1, 3, 7, 9, 21, 49, 63, 147, 441

Factors for 484 are: 1, 2, 4, 11, 22, 44, 121, 242, 484

Factors for 676 are: 1, 2, 4, 13, 26, 52, 169, 338, 676

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Continue Learning about Basic Math

Is there a number with exactly 9 factors?

36 has 9 factors.


Why does any number with a factor of 9 also have 3?

Because 3 is a factor of 9. Any number that has a composite number as a factor will also have that number's factors as factors.


Is nine a prime number?

No, it isn't. Prime numbers cannot be divided by anything but 1 and the number itself. In another form, prime numbers have two factors - 1 and the number itself. The factors of 9 are: 3 (3x3), 9 (9x1), 1 (1x9) Therefore, since there is three as a factor besides 1 and the number itself, 9 is not prime. It's composite. No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite. No, 9 is not a prime number. It is composite. (3 x 3 = 9, 1 x 9 = 9)


What are the factors for number 63?

The factors for the number 63 are 1, 3, 7, 9, 21, and 63.


What is the smallest whole number that has both 6 and 9 as factors not including 1?

Every number has 1 as a factor. 6 and 9 are not factors of 1 as they are both greater than 1 and all factors of a number are less than or equal to the number. The least whole number with 6 and 9 as factors is the lowest common multiple of 6 and 9 lcm(6, 9) = 18 6 = 2 × 3 9 = 3² → Lcm = 2 × 3² = 18