The positive integer factors of 171 are:
1, 3, 9, 19, 57, 171
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The factors of 171 are 1, 3, 9, 19, 57, and 171.
171 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 171 are 1, 3, 9, 19, 57, and 171. The factor pairs of 171 are 1 x 171, 3 x 57, and 9 x 19.The proper factors of 171 are 1, 3, 9, 19, and 57 or,if the definition you are using excludes 1, they are 3, 9, 19, and 57.The prime factors of 171 are 3, 3, and 19.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 171 are 3 and 19.The prime factorization of 171 is 3 x 3 x 19 or, in index form (in other words, using exponents), 32 x 19.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.
factors: 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342prime factors: 2, 3, 3, 19
The factors of 255 are:1 3 5 15 17 51 85 255The prime factors are: 3 x 5 x 171, 3, 5, 15, 17, 51, 85, 255
2, 3, 5 and 171 × 5102 × 2553 × 1705 × 1026 × 8510 × 5115 × 3417 × 30