Greatest Common Factor of 1681 and 1685

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 1681, 1685 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1681 and 1685 is 1.

GCF(1681,1685) = 1

GCF of 1681 and 1685

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

GCF of:
and

Greatest Common Factor of 1681 and 1685

GCF of 1681 and 1685 is 1

Prime Factorization of 1681


41 1681
41 41
1

Prime factors of 1681 are 41. Prime factorization of 1681 in exponential form is:

1681 = 412

Prime Factorization of 1685


5 1685
337 337
1

Prime factors of 1685 are 5.Prime factorization of 1685 in exponential form is:

1685 = 51×3371

∴ So by taking common prime factors GCF of 1681 and 1685 is 1

Greatest Common Factor of 1681 and 1685 by matching factors method

Factors of 1681

List of positive integer factors of 1681 that divides 1681 without a remainder.

1,41,1681

Factors of 1685

List of positive integer factors of 1685 that divides 1685 without a remainder.

1,5,337,1685

Greatest Common Factor

We found the factors and prime factorization of 1681 and 1685. The biggest common factor number is the GCF number.
So the greatest common factor 1681 and 1685 is 1.

Also check out the Least Common Multiple of 1681 and 1685

Properties of GCF 1681 and 1685

(i) The GCF of 1681 and 1685 is associative

GCF of 1681 and 1685 = GCF of 1685 and 1681

Related Greatest Common Factor of 1681

Related Greatest Common Factor of 1685

Frequently Asked Questions on GCF of 1681 and 1685

1. What is the GCF of 1681 and 1685?

Answer: GCF of 1681 and 1685 is 1.

2. What are the Factors of 1681?

Answer: Factors of 1681 are 1, 41, 1681. There are 3 integers that are factors of 1681. The greatest factor of 1681 is 1681.

3. What are the Factors of 1685?

Answer: Factors of 1685 are 1, 5, 337, 1685. There are 4 integers that are factors of 1685. The greatest factor of 1685 is 1685.

4. How to Find the GCF of 1681 and 1685?

Answer:

Greatest Common Factor of 1681 and 1685 = 1

Step 1: Find the prime factorization of 1681

1681 = 41 x 41

Step 2: Find the prime factorization of 1685

1685 = 5 x 337

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 1681 and 1685 is 1