Greatest Common Factor of 1015 and 1021

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, 1021 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1015 and 1021 is 1.

GCF(1015,1021) = 1

GCF of 1015 and 1021

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

GCF of:
and

Greatest Common Factor of 1015 and 1021

GCF of 1015 and 1021 is 1

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 1021


1021 1021
1

Prime factors of 1021 are 1021. Prime factorization of 1021 in exponential form is:

1021 = 10211

∴ So by taking common prime factors GCF of 1015 and 1021 is 1

Greatest Common Factor of 1015 and 1021 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 1021

List of positive integer factors of 1021 that divides 1021 without a remainder.

1,1021

Greatest Common Factor

We found the factors and prime factorization of 1015 and 1021. The biggest common factor number is the GCF number.
So the greatest common factor 1015 and 1021 is 1.

Also check out the Least Common Multiple of 1015 and 1021

Properties of GCF 1015 and 1021

(i) The GCF of 1015 and 1021 is associative

GCF of 1015 and 1021 = GCF of 1021 and 1015

Frequently Asked Questions on GCF of 1015 and 1021

1. What is the GCF of 1015 and 1021?

Answer: GCF of 1015 and 1021 is 1.

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 1021?

Answer: Factors of 1021 are 1, 1021. There are 2 integers that are factors of 1021. The greatest factor of 1021 is 1021.

4. How to Find the GCF of 1015 and 1021?

Answer:

Greatest Common Factor of 1015 and 1021 = 1

Step 1: Find the prime factorization of 1015

1015 = 5 x 7 x 29

Step 2: Find the prime factorization of 1021

1021 = 1021

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 1015 and 1021 is 1