Greatest Common Factor of 1015 and 1020

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 1015, 1020 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1015 and 1020 is 5.

GCF(1015,1020) = 5

GCF of 1015 and 1020

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

GCF of:
and

Greatest Common Factor of 1015 and 1020

GCF of 1015 and 1020 is 5

Prime Factorization of 1015


5 1015
7 203
29 29
1

Prime factors of 1015 are 5,7,29. Prime factorization of 1015 in exponential form is:

1015 = 51×71×291

Prime Factorization of 1020


2 1020
2 510
3 255
5 85
17 17
1

Prime factors of 1020 are 2,3,5,17. Prime factorization of 1020 in exponential form is:

1020 = 22×31×51×171

∴ So by taking common prime factors GCF of 1015 and 1020 is 5

Greatest Common Factor of 1015 and 1020 by matching factors method

Factors of 1015

List of positive integer factors of 1015 that divides 1015 without a remainder.

1,5,7,29,35,145,203,1015

Factors of 1020

List of positive integer factors of 1020 that divides 1020 without a remainder.

1,2,3,4,5,6,10,12,15,17,20,30,34,51,60,68,85,102,170,204,255,340,510,1020

Greatest Common Factor

We found the factors and prime factorization of 1015 and 1020. The biggest common factor number is the GCF number.
So the greatest common factor 1015 and 1020 is 5.

Also check out the Least Common Multiple of 1015 and 1020

Properties of GCF 1015 and 1020

(i) The GCF of 1015 and 1020 is associative

GCF of 1015 and 1020 = GCF of 1020 and 1015

Related Greatest Common Factor of 1015

Related Greatest Common Factor of 1020

Frequently Asked Questions on GCF of 1015 and 1020

1. What is the GCF of 1015 and 1020?

Answer: GCF of 1015 and 1020 is 5.

2. What are the Factors of 1015?

Answer: Factors of 1015 are 1, 5, 7, 29, 35, 145, 203, 1015. There are 8 integers that are factors of 1015. The greatest factor of 1015 is 1015.

3. What are the Factors of 1020?

Answer: Factors of 1020 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020. There are 24 integers that are factors of 1020. The greatest factor of 1020 is 1020.

4. How to Find the GCF of 1015 and 1020?

Answer:

Greatest Common Factor of 1015 and 1020 = 5

Step 1: Find the prime factorization of 1015

1015 = 5 x 7 x 29

Step 2: Find the prime factorization of 1020

1020 = 2 x 2 x 3 x 5 x 17

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 1015 and 1020 is 5