Factors for 442: 1, 2, 13, 17, 26, 34, 221, 442
Factors for 663: 1, 3, 13, 17, 39, 51, 221, 663
Common Factors: 1, 13, 17, 221
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1105
The GCF is 26.
663 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 8 factors of 663 are 1, 3, 13, 17, 39, 51, 221, and 663.The factor pairs of 663 are 1 x 663, 3 x 221, 13 x 51, and 17 x 39.The proper factors of 663 are 1, 3, 13, 17, 39, 51, and 221 or,if the definition you are using excludes 1, they are 3, 13, 17, 39, 51, and 221.The prime factors of 663 are 3, 13, and 17.The 3 distinct prime factors (listing each prime factor only once) of 663 are 3, 13, and 17.The prime factorization of 663 is 3 x 13 x 17.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 common factors of 182 and 442 are: 1, 2, 13, and 26
51.