Greatest Common Factor of 1661 and 1669

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

GCF of 1661 and 1669

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 1661 and 1669

GCF of 1661 and 1669 is 1

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

Greatest Common Factor of 1661 and 1669 by matching factors method

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

Properties of GCF 1661 and 1669

(i) The GCF of 1661 and 1669 is associative

GCF of 1661 and 1669 = GCF of 1669 and 1661

Frequently Asked Questions on GCF of 1661 and 1669

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