Factors of 27 are 1, 3, 9, and 27.
Factors of 35 are 1, 5, 7, and 35.
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The factors of 35 are 1, 5, 7, and 35. The factors of 27 are 1, 3, 9, and 27. The only factor they have in common is 1; therefore, 35 and 27 are relatively prime. Alternatively, you can look at the prime factors. The prime factors of 35 are 5 and 7. The prime factors of 27 are 3, 3, and 3. They have no prime factors in common, so they are relatively prime, which means their only common factor is 1.
The Multiples of 27: 27, 54, 81, 108, 135, .... Factors of 27: 1, 3, 9, 27 and 35. (27 = 33)
53 is a prime number because it has exactly two factors, 1 and the number itself. 35, 27, and 49 are composite numbers because they have more than two factors.
The factors of 35 are 1, 5, 7, and 35.
The factors of -35 are: -1 -5 -7 -35