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 1720, 1727 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1720 and 1727 is 1.
GCF(1720,1727) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1720
2 | 1720 |
2 | 860 |
2 | 430 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 1720 are 2,5,43. Prime factorization of 1720 in exponential form is:
1720 = 23×51×431
Prime Factorization of 1727
11 | 1727 |
157 | 157 |
1 |
Prime factors of 1727 are 11,157. Prime factorization of 1727 in exponential form is:
1727 = 111×1571
∴ So by taking common prime factors GCF of 1720 and 1727 is 1
Factors of 1720
List of positive integer factors of 1720 that divides 1720 without a remainder.
1,2,4,5,8,10,20,40,43,86,172,215,344,430,860,1720
Factors of 1727
List of positive integer factors of 1727 that divides 1727 without a remainder.
1,11,157,1727
Greatest Common Factor
We found the factors and prime factorization of 1720 and 1727. The biggest common factor number is the GCF number.
So the greatest common factor 1720 and 1727 is 1.
Also check out the Least Common Multiple of 1720 and 1727
(i) The GCF of 1720 and 1727 is associative
GCF of 1720 and 1727 = GCF of 1727 and 1720
1. What is the GCF of 1720 and 1727?
Answer: GCF of 1720 and 1727 is 1.
2. What are the Factors of 1720?
Answer: Factors of 1720 are 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720. There are 16 integers that are factors of 1720. The greatest factor of 1720 is 1720.
3. What are the Factors of 1727?
Answer: Factors of 1727 are 1, 11, 157, 1727. There are 4 integers that are factors of 1727. The greatest factor of 1727 is 1727.
4. How to Find the GCF of 1720 and 1727?
Answer:
Greatest Common Factor of 1720 and 1727 = 1
Step 1: Find the prime factorization of 1720
1720 = 2 x 2 x 2 x 5 x 43
Step 2: Find the prime factorization of 1727
1727 = 11 x 157
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 1720 and 1727 is 1