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 284, 287 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 284 and 287 is 1.
GCF(284,287) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 284
2 | 284 |
2 | 142 |
71 | 71 |
1 |
Prime factors of 284 are 2,71. Prime factorization of 284 in exponential form is:
284 = 22×711
Prime Factorization of 287
7 | 287 |
41 | 41 |
1 |
Prime factors of 287 are 7,41. Prime factorization of 287 in exponential form is:
287 = 71×411
∴ So by taking common prime factors GCF of 284 and 287 is 1
Factors of 284
List of positive integer factors of 284 that divides 284 without a remainder.
1,2,4,71,142,284
Factors of 287
List of positive integer factors of 287 that divides 287 without a remainder.
1,7,41,287
Greatest Common Factor
We found the factors and prime factorization of 284 and 287. The biggest common factor number is the GCF number.
So the greatest common factor 284 and 287 is 1.
Also check out the Least Common Multiple of 284 and 287
(i) The GCF of 284 and 287 is associative
GCF of 284 and 287 = GCF of 287 and 284
1. What is the GCF of 284 and 287?
Answer: GCF of 284 and 287 is 1.
2. What are the Factors of 284?
Answer: Factors of 284 are 1, 2, 4, 71, 142, 284. There are 6 integers that are factors of 284. The greatest factor of 284 is 284.
3. What are the Factors of 287?
Answer: Factors of 287 are 1, 7, 41, 287. There are 4 integers that are factors of 287. The greatest factor of 287 is 287.
4. How to Find the GCF of 284 and 287?
Answer:
Greatest Common Factor of 284 and 287 = 1
Step 1: Find the prime factorization of 284
284 = 2 x 2 x 71
Step 2: Find the prime factorization of 287
287 = 7 x 41
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 284 and 287 is 1