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.
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The greatest common factor of 10 and 35 is 5.
The highest common factor (also called greatest common factor) of 10 and 35 is 5.
The factors of 35 are 1, 5, 7, and 35. The factors of 81 are 1, 3, 9, 27, and 81. The only factor they have in common is 1. Therefore, 1 is the greatest common factor. This means that 35 and 81 are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 35 are 5 and 7. The prime factors of 81 are 3, 3, 3, and 3. They have no prime factors in common, so they are relatively prime, which means the only factor they have in common is 1.
Since 27 is a factor of 54, and 27 cannot have a larger factor than itself, the greatest common factor of 27 and 54 is 27.
The greatest common factor (or greatest common divisor) of 35 and 84 is 7.