Greatest Common Factor of 1000 and 1003

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 1000, 1003 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1000 and 1003 is 1.

GCF(1000,1003) = 1

GCF of 1000 and 1003

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

GCF of:
and

Greatest Common Factor of 1000 and 1003

GCF of 1000 and 1003 is 1

Prime Factorization of 1000


2 1000
2 500
2 250
5 125
5 25
5 5
1

Prime factors of 1000 are 2,5. Prime factorization of 1000 in exponential form is:

1000 = 23×53

Prime Factorization of 1003


17 1003
59 59
1

Prime factors of 1003 are 17,59. Prime factorization of 1003 in exponential form is:

1003 = 171×591

∴ So by taking common prime factors GCF of 1000 and 1003 is 1

Greatest Common Factor of 1000 and 1003 by matching factors method

Factors of 1000

List of positive integer factors of 1000 that divides 1000 without a remainder.

1,2,4,5,8,10,20,25,40,50,100,125,200,250,500,1000

Factors of 1003

List of positive integer factors of 1003 that divides 1003 without a remainder.

1,17,59,1003

Greatest Common Factor

We found the factors and prime factorization of 1000 and 1003. The biggest common factor number is the GCF number.
So the greatest common factor 1000 and 1003 is 1.

Also check out the Least Common Multiple of 1000 and 1003

Properties of GCF 1000 and 1003

(i) The GCF of 1000 and 1003 is associative

GCF of 1000 and 1003 = GCF of 1003 and 1000

Related Greatest Common Factor of 1000

Related Greatest Common Factor of 1003

Frequently Asked Questions on GCF of 1000 and 1003

1. What is the GCF of 1000 and 1003?

Answer: GCF of 1000 and 1003 is 1.

2. What are the Factors of 1000?

Answer: Factors of 1000 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000. There are 16 integers that are factors of 1000. The greatest factor of 1000 is 1000.

3. What are the Factors of 1003?

Answer: Factors of 1003 are 1, 17, 59, 1003. There are 4 integers that are factors of 1003. The greatest factor of 1003 is 1003.

4. How to Find the GCF of 1000 and 1003?

Answer:

Greatest Common Factor of 1000 and 1003 = 1

Step 1: Find the prime factorization of 1000

1000 = 2 x 2 x 2 x 5 x 5 x 5

Step 2: Find the prime factorization of 1003

1003 = 17 x 59

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 1000 and 1003 is 1