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# What is the least common factor of 3 and 9?

Updated: 8/30/2023 Wiki User

12y ago

The least common multiple of 3, 4, 5, and 9 is 180.

The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers. Wiki User

7y ago   Wiki User

12y ago

The least (or lowest) common factor of any two positive numbers will always be: 1   Wiki User

11y ago

The LCM is 9.   Wiki User

12y ago

18   Wiki User

6y ago

It is: 9   Wiki User

5y ago

It is 9   Wiki User

5y ago

It is 9   Earn +20 pts
Q: What is the least common factor of 3 and 9?
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Still have questions?  Related questions

### What is the least common factor of 3 7 9?

The least common factor of any set of numbers is 1.

### Least common factor of 3 and 9?

The least common factor of any set of integers is 1.

### The lowest common factor of 6 and 9?

The least common factor is: 1

### What is the least common factor for 3 and 7and 9?

The least common factor of any set of integers is 1.

### What is the least common factor for 3 9 and 15?

The least common factor of any set of integers is 1.

### What is the least common factor of 2 3 and 9?

The least common factor of any set of integers is 1.

### What is the least common factor of 3 9 and 15?

The least common factor of any set of integers is 1.

### What is the least common factor of 9 and 4?

The least common factor of 4 and 9 is is: 1

### What is the least common factor of 9 and 21?

Answer: 1 The factors of 9 are 1, 3, and 9. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3; the least (smallest) common factor is 1.

### What is the least common factor for 3 and 9?

It is 1 but the HCF is 3

### What is the least common factor of 6 and 9?

The factors of 6 are 1, 2, 3, and 6. The factors of 9 are 1, 3, and 9. The common factors of 6 and 9 are 1 and 3. Therefore, the least (smallest) common factor is 1.

### What is the least common factor of 9 and 15?

Most of the time, math questions are about the greatest common factor or the least common multiple, not the least common factor. The least common factor of any two numbers would typically be 1. The factors of 15 are 1, 3, 5, and 15. The factors of 9 are 1, 3, and 9. The greatest common factor is 3. The prime factors of 15 are 3 and 5. The prime factors of 9 are 3 and 3. So, take the 3 and 5 prime factors of 15, and then the second 3 prime factor of 9, multiply them together, so 3 x 5 x 3 = 45 is the least common multiple.