The GCF is 1.
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There is not a greatest common factor of a single number, such as 999, because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. The factors of 999 are 1, 3, 9, 27, 37, 111, 333, and 999. The prime factors of 999 are 3, 3, 3, and 37. Examples: The greatest common factor of 54 and 999 is 27. The greatest common factor of 185 and 999 is 37. The greatest common factor of 999 and 1001 is 1.
The number .475 repeated as a fraction would be 475/999.
999 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 8 factors of 999 are 1, 3, 9, 27, 37, 111, 333, and 999.The factor pairs of 999 are 1 x 999, 3 x 333, 9 x 111, and 27 x 37.The proper factors of 999 are 1, 3, 9, 27, 37, 111, and 333 or,if the definition you are using excludes 1, they are 3, 9, 27, 37, 111, and 333.The prime factors of 999 are 3, 3, 3, and 37. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.The distinct prime factors (listing each prime factor only once) of 999 are 3 and 37.The prime factorization of 999 is 3 x 3 x 3 x 37 or, in exponential form, 33 x 37.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
The answer is 999.
It is: 9