Greatest Common Factor of 170 and 177

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 170, 177 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 170 and 177 is 1.

GCF(170,177) = 1

GCF of 170 and 177

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 170 and 177

GCF of 170 and 177 is 1

Prime Factorization of 170


2 170
5 85
17 17
1

Prime factors of 170 are 2,5,17. Prime factorization of 170 in exponential form is:

170 = 21×51×171

Prime Factorization of 177


3 177
59 59
1

Prime factors of 177 are 3,59. Prime factorization of 177 in exponential form is:

177 = 31×591

∴ So by taking common prime factors GCF of 170 and 177 is 1

Greatest Common Factor of 170 and 177 by matching factors method

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Factors of 177

List of positive integer factors of 177 that divides 177 without a remainder.

1,3,59,177

Greatest Common Factor

We found the factors and prime factorization of 170 and 177. The biggest common factor number is the GCF number.
So the greatest common factor 170 and 177 is 1.

Also check out the Least Common Multiple of 170 and 177

Properties of GCF 170 and 177

(i) The GCF of 170 and 177 is associative

GCF of 170 and 177 = GCF of 177 and 170

Frequently Asked Questions on GCF of 170 and 177

1. What is the GCF of 170 and 177?

Answer: GCF of 170 and 177 is 1.

2. What are the Factors of 170?

Answer: Factors of 170 are 1, 2, 5, 10, 17, 34, 85, 170. There are 8 integers that are factors of 170. The greatest factor of 170 is 170.

3. What are the Factors of 177?

Answer: Factors of 177 are 1, 3, 59, 177. There are 4 integers that are factors of 177. The greatest factor of 177 is 177.

4. How to Find the GCF of 170 and 177?

Answer:

Greatest Common Factor of 170 and 177 = 1

Step 1: Find the prime factorization of 170

170 = 2 x 5 x 17

Step 2: Find the prime factorization of 177

177 = 3 x 59

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 170 and 177 is 1