Greatest Common Factor of 655 and 658

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 655, 658 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 655 and 658 is 1.

GCF(655,658) = 1

GCF of 655 and 658

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

GCF of:
and

Greatest Common Factor of 655 and 658

GCF of 655 and 658 is 1

Prime Factorization of 655


5 655
131 131
1

Prime factors of 655 are 5,131. Prime factorization of 655 in exponential form is:

655 = 51×1311

Prime Factorization of 658


2 658
7 329
47 47
1

Prime factors of 658 are 2,7,47. Prime factorization of 658 in exponential form is:

658 = 21×71×471

∴ So by taking common prime factors GCF of 655 and 658 is 1

Greatest Common Factor of 655 and 658 by matching factors method

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Factors of 658

List of positive integer factors of 658 that divides 658 without a remainder.

1,2,7,14,47,94,329,658

Greatest Common Factor

We found the factors and prime factorization of 655 and 658. The biggest common factor number is the GCF number.
So the greatest common factor 655 and 658 is 1.

Also check out the Least Common Multiple of 655 and 658

Properties of GCF 655 and 658

(i) The GCF of 655 and 658 is associative

GCF of 655 and 658 = GCF of 658 and 655

Related Greatest Common Factor of 655

Related Greatest Common Factor of 658

Frequently Asked Questions on GCF of 655 and 658

1. What is the GCF of 655 and 658?

Answer: GCF of 655 and 658 is 1.

2. What are the Factors of 655?

Answer: Factors of 655 are 1, 5, 131, 655. There are 4 integers that are factors of 655. The greatest factor of 655 is 655.

3. What are the Factors of 658?

Answer: Factors of 658 are 1, 2, 7, 14, 47, 94, 329, 658. There are 8 integers that are factors of 658. The greatest factor of 658 is 658.

4. How to Find the GCF of 655 and 658?

Answer:

Greatest Common Factor of 655 and 658 = 1

Step 1: Find the prime factorization of 655

655 = 5 x 131

Step 2: Find the prime factorization of 658

658 = 2 x 7 x 47

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 655 and 658 is 1