What are the factors and prime factors of 423?
423 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 423 are 1, 3, 9, 47, 141, and 423.The proper factors of 423 are 1, 3, 9, 47, and 141 or,if the definition you are using excludes 1, they are 3, 9, 47, and 141.The prime factors of 423 are 3, 3, and 47. 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 2 distinct prime factors (listing each prime factor only once) of 423 are 3 and 47.The prime factorization of 423 is 3 x 3 x 47 or, in index form (in other words, using exponents), 32 x 47.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.