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 1661, 1669 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1661 and 1669 is 1.
GCF(1661,1669) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1661
11 | 1661 |
151 | 151 |
1 |
Prime factors of 1661 are 11,151. Prime factorization of 1661 in exponential form is:
1661 = 111×1511
Prime Factorization of 1669
1669 | 1669 |
1 |
Prime factors of 1669 are 1669. Prime factorization of 1669 in exponential form is:
1669 = 16691
∴ So by taking common prime factors GCF of 1661 and 1669 is 1
Factors of 1661
List of positive integer factors of 1661 that divides 1661 without a remainder.
1,11,151,1661
Factors of 1669
List of positive integer factors of 1669 that divides 1669 without a remainder.
1,1669
Greatest Common Factor
We found the factors and prime factorization of 1661 and 1669. The biggest common factor number is the GCF number.
So the greatest common factor 1661 and 1669 is 1.
Also check out the Least Common Multiple of 1661 and 1669
(i) The GCF of 1661 and 1669 is associative
GCF of 1661 and 1669 = GCF of 1669 and 1661
1. What is the GCF of 1661 and 1669?
Answer: GCF of 1661 and 1669 is 1.
2. What are the Factors of 1661?
Answer: Factors of 1661 are 1, 11, 151, 1661. There are 4 integers that are factors of 1661. The greatest factor of 1661 is 1661.
3. What are the Factors of 1669?
Answer: Factors of 1669 are 1, 1669. There are 2 integers that are factors of 1669. The greatest factor of 1669 is 1669.
4. How to Find the GCF of 1661 and 1669?
Answer:
Greatest Common Factor of 1661 and 1669 = 1
Step 1: Find the prime factorization of 1661
1661 = 11 x 151
Step 2: Find the prime factorization of 1669
1669 = 1669
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 1661 and 1669 is 1