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

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45

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.

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).

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 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 common denominator of 15 and 9 is 45.

The Least Common Multiple (LCM) of 9 and 15 is 45.Multiples of 9 are 9, 18, 27, 36, 45, 54 and so on.Multiples of 15 are 15, 30, 45, 60 and so on.The LCM is the first number to appear on both lists.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.

the lowest common multiple for 9 and 15 is 45

the common multiple of 9 15 30 is 90

The Least Common Multiple of 9 and 15 is 45.

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