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 281, 289 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 281 and 289 is 1.
GCF(281,289) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 281
281 | 281 |
1 |
Prime factors of 281 are 281. Prime factorization of 281 in exponential form is:
281 = 2811
Prime Factorization of 289
17 | 289 |
17 | 17 |
1 |
Prime factors of 289 are 17.Prime factorization of 289 in exponential form is:
289 = 172
∴ So by taking common prime factors GCF of 281 and 289 is 1
Factors of 281
List of positive integer factors of 281 that divides 281 without a remainder.
1,281
Factors of 289
List of positive integer factors of 289 that divides 289 without a remainder.
1,17,289
Greatest Common Factor
We found the factors and prime factorization of 281 and 289. The biggest common factor number is the GCF number.
So the greatest common factor 281 and 289 is 1.
Also check out the Least Common Multiple of 281 and 289
(i) The GCF of 281 and 289 is associative
GCF of 281 and 289 = GCF of 289 and 281
1. What is the GCF of 281 and 289?
Answer: GCF of 281 and 289 is 1.
2. What are the Factors of 281?
Answer: Factors of 281 are 1, 281. There are 2 integers that are factors of 281. The greatest factor of 281 is 281.
3. What are the Factors of 289?
Answer: Factors of 289 are 1, 17, 289. There are 3 integers that are factors of 289. The greatest factor of 289 is 289.
4. How to Find the GCF of 281 and 289?
Answer:
Greatest Common Factor of 281 and 289 = 1
Step 1: Find the prime factorization of 281
281 = 281
Step 2: Find the prime factorization of 289
289 = 17 x 17
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 281 and 289 is 1