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 1585, 1587 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1585 and 1587 is 1.
GCF(1585,1587) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1585
5 | 1585 |
317 | 317 |
1 |
Prime factors of 1585 are 5,317. Prime factorization of 1585 in exponential form is:
1585 = 51×3171
Prime Factorization of 1587
3 | 1587 |
23 | 529 |
23 | 23 |
1 |
Prime factors of 1587 are 3,23. Prime factorization of 1587 in exponential form is:
1587 = 31×232
∴ So by taking common prime factors GCF of 1585 and 1587 is 1
Factors of 1585
List of positive integer factors of 1585 that divides 1585 without a remainder.
1,5,317,1585
Factors of 1587
List of positive integer factors of 1587 that divides 1587 without a remainder.
1,3,23,69,529,1587
Greatest Common Factor
We found the factors and prime factorization of 1585 and 1587. The biggest common factor number is the GCF number.
So the greatest common factor 1585 and 1587 is 1.
Also check out the Least Common Multiple of 1585 and 1587
(i) The GCF of 1585 and 1587 is associative
GCF of 1585 and 1587 = GCF of 1587 and 1585
1. What is the GCF of 1585 and 1587?
Answer: GCF of 1585 and 1587 is 1.
2. What are the Factors of 1585?
Answer: Factors of 1585 are 1, 5, 317, 1585. There are 4 integers that are factors of 1585. The greatest factor of 1585 is 1585.
3. What are the Factors of 1587?
Answer: Factors of 1587 are 1, 3, 23, 69, 529, 1587. There are 6 integers that are factors of 1587. The greatest factor of 1587 is 1587.
4. How to Find the GCF of 1585 and 1587?
Answer:
Greatest Common Factor of 1585 and 1587 = 1
Step 1: Find the prime factorization of 1585
1585 = 5 x 317
Step 2: Find the prime factorization of 1587
1587 = 3 x 23 x 23
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 1585 and 1587 is 1