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Q: What is the common number of 9 and 15?

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45

There is an infinite number of common multiples for 9 and 15. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).

HCF is 3

There is an infinite number of common multiples for 9 and 15. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder). However, the least or lowest common multiple (LCM) of 9 and 15 is 45.

The common denominator of 15 and 9 is 45.

The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

There is an infinite number of common multiples for 9 15 and 18. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder). However, the least or lowest common multiple (LCM) of 9 15 and 18 is 90.

the lowest common multiple for 9 and 15 is 45

The Least Common Multiple of 9 and 15 is 45.

The least common multiple of 9 , 15 = 45

the common multiple of 9 15 30 is 90

No 9 and 15 is not a number, they are two numbers.

Common factors of 9, 15, and 30 are: 1 and 3.

The number is 9, because 9 + 2/3(9) is 15, so 9 + 6 = 15 because 2/3 of 9 is 6.

The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.

The least common multiple of 9 , 15 , 18 = 90

The least common multiple of 9 , 15 , 5 = 45

The least common multiple of 9 , 15 , 10 = 90

All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. 3 is a factor of 9. 3 is a factor of 15. 3 is a common factor of 9 and 15.

One is the only common factor of 8 9 13 and 15?

The common factors of 9, 12, and 15 are 1 and 3. The GCF is 3.

3 is the common factor of 6, 9, 15 and 24.

The number in common is 5, because it divides both 5 and 15.

I'd say "8". All others have the common denominator "3" in common.

they first number 6 and 9 have in common is 1