They are: 1 and 17
The common factors of 187 and 221 are 1 and 17
The factors of 153 are 1, 3, 9, 17, 51, 153. For them to be common, they need to be compared to another set of factors.
Common factors of 102 and 153 are: 1, 3, 17, and 51.
The factors of 1989 are: 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989.
They are 1 and 17
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
221
{1, 17}
The prime factors of 221 are 13 and 17. 13 x 17 = 221. The factors of 221 are 1, 13, 17, and 221.
The factors of 221 are 1, 13, 17, and 221.
1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989 3, 13 and 17 are prime.
153 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 153 are 1, 3, 9, 17, 51, and 153.The factor pairs of 153 are 1 x 153, 3 x 51, and 9 x 17.The proper factors of 153 are 1, 3, 9, 17, and 51 or,if the definition you are using excludes 1, they are 3, 9, 17, and 51.The prime factors of 153 are 3, 3, and 17 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 153 are 3 and 17.The prime factorization of 153 is 3 x 3 x 17 or, in index form (in other words, using exponents), 32 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.