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One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 85 are 1, 5, 17, and 85.
The factors of 145 are 1, 5, 29, and 145.
The common factors are 1 and 5. Therefore, the greatest common factor is 5.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 85 are 5 and 17.
The prime factors of 145 are 5 and 29.
The prime factors in common are a single 5, so the greatest common factor is 5.
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What is the greatest common factor of 85 and 255?
The greatest common factor of 85 and 255 is 85.
What is the highest common factor of 85 and 145?
The GCF is 5.
What is the greatest common factor of 51 and 85?
The greatest number which divides both 51 and 85 is 17. So, greatest common factor is 17.Alternate method:P.F. of 51 = 3x17P.F. of 85 = 5x17Clearly, from the P.F. of both numbers 17 is the greatest common factor.The GCF is 17.51 and 85's highest common factor is 17.
Greatest common factor of 85 and 204?
1
What is the greatest common factor of 34 and 85?
The greatest common factor of 34 and 85 is 17.The factors of 34 are: 1, 2, 17, 34The factors of 85 are: 1, 5, 17, 85The common factors are: 1, 17The Greatest Common Factor: GCF = 17
