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 1002, 1003 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1002 and 1003 is 1.
GCF(1002,1003) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1002
2 | 1002 |
3 | 501 |
167 | 167 |
1 |
Prime factors of 1002 are 2,3,167. Prime factorization of 1002 in exponential form is:
1002 = 21×31×1671
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 1002 and 1003 is 1
Factors of 1002
List of positive integer factors of 1002 that divides 1002 without a remainder.
1,2,3,6,167,334,501,1002
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 1002 and 1003. The biggest common factor number is the GCF number.
So the greatest common factor 1002 and 1003 is 1.
Also check out the Least Common Multiple of 1002 and 1003
(i) The GCF of 1002 and 1003 is associative
GCF of 1002 and 1003 = GCF of 1003 and 1002
1. What is the GCF of 1002 and 1003?
Answer: GCF of 1002 and 1003 is 1.
2. What are the Factors of 1002?
Answer: Factors of 1002 are 1, 2, 3, 6, 167, 334, 501, 1002. There are 8 integers that are factors of 1002. The greatest factor of 1002 is 1002.
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 1002 and 1003?
Answer:
Greatest Common Factor of 1002 and 1003 = 1
Step 1: Find the prime factorization of 1002
1002 = 2 x 3 x 167
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 1002 and 1003 is 1