Greatest Common Factor of 1611 and 1615

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 1611, 1615 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1611 and 1615 is 1.

GCF(1611,1615) = 1

GCF of 1611 and 1615

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

GCF of:
and

Greatest Common Factor of 1611 and 1615

GCF of 1611 and 1615 is 1

Prime Factorization of 1611


3 1611
3 537
179 179
1

Prime factors of 1611 are 3,179. Prime factorization of 1611 in exponential form is:

1611 = 32×1791

Prime Factorization of 1615


5 1615
17 323
19 19
1

Prime factors of 1615 are 5,17,19. Prime factorization of 1615 in exponential form is:

1615 = 51×171×191

∴ So by taking common prime factors GCF of 1611 and 1615 is 1

Greatest Common Factor of 1611 and 1615 by matching factors method

Factors of 1611

List of positive integer factors of 1611 that divides 1611 without a remainder.

1,3,9,179,537,1611

Factors of 1615

List of positive integer factors of 1615 that divides 1615 without a remainder.

1,5,17,19,85,95,323,1615

Greatest Common Factor

We found the factors and prime factorization of 1611 and 1615. The biggest common factor number is the GCF number.
So the greatest common factor 1611 and 1615 is 1.

Also check out the Least Common Multiple of 1611 and 1615

Properties of GCF 1611 and 1615

(i) The GCF of 1611 and 1615 is associative

GCF of 1611 and 1615 = GCF of 1615 and 1611

Frequently Asked Questions on GCF of 1611 and 1615

1. What is the GCF of 1611 and 1615?

Answer: GCF of 1611 and 1615 is 1.

2. What are the Factors of 1611?

Answer: Factors of 1611 are 1, 3, 9, 179, 537, 1611. There are 6 integers that are factors of 1611. The greatest factor of 1611 is 1611.

3. What are the Factors of 1615?

Answer: Factors of 1615 are 1, 5, 17, 19, 85, 95, 323, 1615. There are 8 integers that are factors of 1615. The greatest factor of 1615 is 1615.

4. How to Find the GCF of 1611 and 1615?

Answer:

Greatest Common Factor of 1611 and 1615 = 1

Step 1: Find the prime factorization of 1611

1611 = 3 x 3 x 179

Step 2: Find the prime factorization of 1615

1615 = 5 x 17 x 19

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 1611 and 1615 is 1