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 633, 639 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 633 and 639 is 3.
GCF(633,639) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 633
3 | 633 |
211 | 211 |
1 |
Prime factors of 633 are 3,211. Prime factorization of 633 in exponential form is:
633 = 31×2111
Prime Factorization of 639
3 | 639 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 639 are 3,71. Prime factorization of 639 in exponential form is:
639 = 32×711
∴ So by taking common prime factors GCF of 633 and 639 is 3
Factors of 633
List of positive integer factors of 633 that divides 633 without a remainder.
1,3,211,633
Factors of 639
List of positive integer factors of 639 that divides 639 without a remainder.
1,3,9,71,213,639
Greatest Common Factor
We found the factors and prime factorization of 633 and 639. The biggest common factor number is the GCF number.
So the greatest common factor 633 and 639 is 3.
Also check out the Least Common Multiple of 633 and 639
(i) The GCF of 633 and 639 is associative
GCF of 633 and 639 = GCF of 639 and 633
1. What is the GCF of 633 and 639?
Answer: GCF of 633 and 639 is 3.
2. What are the Factors of 633?
Answer: Factors of 633 are 1, 3, 211, 633. There are 4 integers that are factors of 633. The greatest factor of 633 is 633.
3. What are the Factors of 639?
Answer: Factors of 639 are 1, 3, 9, 71, 213, 639. There are 6 integers that are factors of 639. The greatest factor of 639 is 639.
4. How to Find the GCF of 633 and 639?
Answer:
Greatest Common Factor of 633 and 639 = 3
Step 1: Find the prime factorization of 633
633 = 3 x 211
Step 2: Find the prime factorization of 639
639 = 3 x 3 x 71
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 633 and 639 is 3