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 5638, 5643 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 5638 and 5643 is 1.
GCF(5638,5643) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 5638
2 | 5638 |
2819 | 2819 |
1 |
Prime factors of 5638 are 2,2819. Prime factorization of 5638 in exponential form is:
5638 = 21×28191
Prime Factorization of 5643
3 | 5643 |
3 | 1881 |
3 | 627 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 5643 are 3,11,19. Prime factorization of 5643 in exponential form is:
5643 = 33×111×191
∴ So by taking common prime factors GCF of 5638 and 5643 is 1
Factors of 5638
List of positive integer factors of 5638 that divides 5638 without a remainder.
1,2,2819,5638
Factors of 5643
List of positive integer factors of 5643 that divides 5643 without a remainder.
1,3,9,11,19,27,33,57,99,171,209,297,513,627,1881,5643
Greatest Common Factor
We found the factors and prime factorization of 5638 and 5643. The biggest common factor number is the GCF number.
So the greatest common factor 5638 and 5643 is 1.
Also check out the Least Common Multiple of 5638 and 5643
(i) The GCF of 5638 and 5643 is associative
GCF of 5638 and 5643 = GCF of 5643 and 5638
1. What is the GCF of 5638 and 5643?
Answer: GCF of 5638 and 5643 is 1.
2. What are the Factors of 5638?
Answer: Factors of 5638 are 1, 2, 2819, 5638. There are 4 integers that are factors of 5638. The greatest factor of 5638 is 5638.
3. What are the Factors of 5643?
Answer: Factors of 5643 are 1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643. There are 16 integers that are factors of 5643. The greatest factor of 5643 is 5643.
4. How to Find the GCF of 5638 and 5643?
Answer:
Greatest Common Factor of 5638 and 5643 = 1
Step 1: Find the prime factorization of 5638
5638 = 2 x 2819
Step 2: Find the prime factorization of 5643
5643 = 3 x 3 x 3 x 11 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 5638 and 5643 is 1