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 1775, 1781 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1775 and 1781 is 1.
GCF(1775,1781) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1775
5 | 1775 |
5 | 355 |
71 | 71 |
1 |
Prime factors of 1775 are 5,71. Prime factorization of 1775 in exponential form is:
1775 = 52×711
Prime Factorization of 1781
13 | 1781 |
137 | 137 |
1 |
Prime factors of 1781 are 13,137. Prime factorization of 1781 in exponential form is:
1781 = 131×1371
∴ So by taking common prime factors GCF of 1775 and 1781 is 1
Factors of 1775
List of positive integer factors of 1775 that divides 1775 without a remainder.
1,5,25,71,355,1775
Factors of 1781
List of positive integer factors of 1781 that divides 1781 without a remainder.
1,13,137,1781
Greatest Common Factor
We found the factors and prime factorization of 1775 and 1781. The biggest common factor number is the GCF number.
So the greatest common factor 1775 and 1781 is 1.
Also check out the Least Common Multiple of 1775 and 1781
(i) The GCF of 1775 and 1781 is associative
GCF of 1775 and 1781 = GCF of 1781 and 1775
1. What is the GCF of 1775 and 1781?
Answer: GCF of 1775 and 1781 is 1.
2. What are the Factors of 1775?
Answer: Factors of 1775 are 1, 5, 25, 71, 355, 1775. There are 6 integers that are factors of 1775. The greatest factor of 1775 is 1775.
3. What are the Factors of 1781?
Answer: Factors of 1781 are 1, 13, 137, 1781. There are 4 integers that are factors of 1781. The greatest factor of 1781 is 1781.
4. How to Find the GCF of 1775 and 1781?
Answer:
Greatest Common Factor of 1775 and 1781 = 1
Step 1: Find the prime factorization of 1775
1775 = 5 x 5 x 71
Step 2: Find the prime factorization of 1781
1781 = 13 x 137
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 1775 and 1781 is 1