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 258, 260 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 258 and 260 is 2.
GCF(258,260) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 258
2 | 258 |
3 | 129 |
43 | 43 |
1 |
Prime factors of 258 are 2,3,43. Prime factorization of 258 in exponential form is:
258 = 21×31×431
Prime Factorization of 260
2 | 260 |
2 | 130 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 260 are 2,5,13. Prime factorization of 260 in exponential form is:
260 = 22×51×131
∴ So by taking common prime factors GCF of 258 and 260 is 2
Factors of 258
List of positive integer factors of 258 that divides 258 without a remainder.
1,2,3,6,43,86,129,258
Factors of 260
List of positive integer factors of 260 that divides 260 without a remainder.
1,2,4,5,10,13,20,26,52,65,130,260
Greatest Common Factor
We found the factors and prime factorization of 258 and 260. The biggest common factor number is the GCF number.
So the greatest common factor 258 and 260 is 2.
Also check out the Least Common Multiple of 258 and 260
(i) The GCF of 258 and 260 is associative
GCF of 258 and 260 = GCF of 260 and 258
1. What is the GCF of 258 and 260?
Answer: GCF of 258 and 260 is 2.
2. What are the Factors of 258?
Answer: Factors of 258 are 1, 2, 3, 6, 43, 86, 129, 258. There are 8 integers that are factors of 258. The greatest factor of 258 is 258.
3. What are the Factors of 260?
Answer: Factors of 260 are 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260. There are 12 integers that are factors of 260. The greatest factor of 260 is 260.
4. How to Find the GCF of 258 and 260?
Answer:
Greatest Common Factor of 258 and 260 = 2
Step 1: Find the prime factorization of 258
258 = 2 x 3 x 43
Step 2: Find the prime factorization of 260
260 = 2 x 2 x 5 x 13
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 258 and 260 is 2