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 1700, 1705 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1700 and 1705 is 5.
GCF(1700,1705) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1700
2 | 1700 |
2 | 850 |
5 | 425 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 1700 are 2,5,17. Prime factorization of 1700 in exponential form is:
1700 = 22×52×171
Prime Factorization of 1705
5 | 1705 |
11 | 341 |
31 | 31 |
1 |
Prime factors of 1705 are 5,11,31. Prime factorization of 1705 in exponential form is:
1705 = 51×111×311
∴ So by taking common prime factors GCF of 1700 and 1705 is 5
Factors of 1700
List of positive integer factors of 1700 that divides 1700 without a remainder.
1,2,4,5,10,17,20,25,34,50,68,85,100,170,340,425,850,1700
Factors of 1705
List of positive integer factors of 1705 that divides 1705 without a remainder.
1,5,11,31,55,155,341,1705
Greatest Common Factor
We found the factors and prime factorization of 1700 and 1705. The biggest common factor number is the GCF number.
So the greatest common factor 1700 and 1705 is 5.
Also check out the Least Common Multiple of 1700 and 1705
(i) The GCF of 1700 and 1705 is associative
GCF of 1700 and 1705 = GCF of 1705 and 1700
1. What is the GCF of 1700 and 1705?
Answer: GCF of 1700 and 1705 is 5.
2. What are the Factors of 1700?
Answer: Factors of 1700 are 1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700. There are 18 integers that are factors of 1700. The greatest factor of 1700 is 1700.
3. What are the Factors of 1705?
Answer: Factors of 1705 are 1, 5, 11, 31, 55, 155, 341, 1705. There are 8 integers that are factors of 1705. The greatest factor of 1705 is 1705.
4. How to Find the GCF of 1700 and 1705?
Answer:
Greatest Common Factor of 1700 and 1705 = 5
Step 1: Find the prime factorization of 1700
1700 = 2 x 2 x 5 x 5 x 17
Step 2: Find the prime factorization of 1705
1705 = 5 x 11 x 31
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 1700 and 1705 is 5